W-24027227: Add iOS 27 to nightly CI

[brandonpage]

Summary

• add iOS 27 and Xcode 27 to nightly library tests
• add iOS 27 to nightly native sample builds and AuthFlowTester UI tests
• retain existing iOS 18 and iOS 26 coverage

Validation

• parsed the edited workflows as YAML
• verified each iOS 27 matrix entry resolves to Xcode 27 on the xcode-27 runner
• ran git diff --check

Work item: W-24027227

[github-actions]

	Tests	Passed	Skipped	Failed ❌️
AuthFlowTester UI Test Results all	1 ran			1 ❌

Test	Result
AuthFlowTester UI Test Results all
AuthFlowTesterUITests.xctest
LegacyLoginTests.testCAOpaque_DefaultScopes_WebServerFlow()	❌ failure

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 67.19%. Comparing base (c69e084) to head (a2ba413).
⚠️ Report is 6 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #4156      +/-   ##
==========================================
- Coverage   67.44%   67.19%   -0.25%     
==========================================
  Files         254      254              
  Lines       22868    22868              
==========================================
- Hits        15424    15367      -57     
- Misses       7444     7501      +57     

Components	Coverage Δ
Analytics	70.78% <ø> (ø)
Common	70.88% <ø> (ø)
Core	60.72% <ø> (-0.38%)	⬇️
SmartStore	73.45% <ø> (ø)
MobileSync	88.84% <ø> (ø)
see 4 files with indirect coverage changes

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[github-actions]

	Tests	Passed ☑️	Skipped	Failed ❌️
SalesforceSDKCore iOS ^18 Test Results	1015 ran	937 ✅		78 ❌

Test	Result
SalesforceSDKCore iOS ^18 Test Results
SalesforceRestAPITests.testCreateQuerySearchDelete	❌ failure
SalesforceRestAPITests.testCreateUpdateQuerySearchDelete	❌ failure
SalesforceRestAPITests.testCustomBaseURLRequest	❌ failure
SalesforceRestAPITests.testCustomBaseURLRequestPOST	❌ failure
SalesforceRestAPITests.testCustomSalesforceEndpoint	❌ failure
SalesforceRestAPITests.testEscapingWithSOQLQuery	❌ failure
SalesforceRestAPITests.testFileSharesWithUserCommunity	❌ failure
SalesforceRestAPITests.testFilesInUsersGroups	❌ failure
SalesforceRestAPITests.testFilesSharedWithUser	❌ failure
SalesforceRestAPITests.testFullRequestPath	❌ failure
SalesforceRestAPITests.testGetDescribeGlobal	❌ failure
SalesforceRestAPITests.testGetDescribeWithObjectType	❌ failure
SalesforceRestAPITests.testGetLayoutWithObjectAPINameWithFormFactor	❌ failure
SalesforceRestAPITests.testGetLayoutWithObjectAPINameWithLayoutType	❌ failure
SalesforceRestAPITests.testGetLayoutWithObjectAPINameWithMode	❌ failure
SalesforceRestAPITests.testGetLayoutWithObjectAPINameWithoutFormFactor	❌ failure
SalesforceRestAPITests.testGetLayoutWithObjectAPINameWithoutLayoutType	❌ failure
SalesforceRestAPITests.testGetLayoutWithObjectAPINameWithoutMode	❌ failure
SalesforceRestAPITests.testGetLayoutWithObjectAPINameWithoutRecordTypeId	❌ failure
SalesforceRestAPITests.testGetLimits	❌ failure
SalesforceRestAPITests.testGetMetadataWithObjectType	❌ failure
SalesforceRestAPITests.testGetNotificationRequestPath	❌ failure
SalesforceRestAPITests.testGetNotifications	❌ failure
SalesforceRestAPITests.testGetPrimingRecords	❌ failure
SalesforceRestAPITests.testGetResources	❌ failure
SalesforceRestAPITests.testGetSearchResultLayout	❌ failure
SalesforceRestAPITests.testGetSearchScopeAndOrder	❌ failure
SalesforceRestAPITests.testInvalidAccessTokenWithValidGetRequest	❌ failure
SalesforceRestAPITests.testInvalidAccessTokenWithValidPostRequest	❌ failure
SalesforceRestAPITests.testNotificationsStatus	❌ failure
SalesforceRestAPITests.testNoTrailingQuestionMarkForEmptyParams	❌ failure
SalesforceRestAPITests.testOwnedFilesList	❌ failure
SalesforceRestAPITests.testOwnedFilesListWithCommunityWithHeaders	❌ failure
SalesforceRestAPITests.testParsePrimingRecordsResponse	❌ failure
SalesforceRestAPITests.testParsePrimingRecordsResponseFromServer	❌ failure
SalesforceRestAPITests.testPublicApiCalls	❌ failure
SalesforceRestAPITests.testReallyLongSOQL	❌ failure
SalesforceRestAPITests.testRedirect	❌ failure
SalesforceRestAPITests.testRefreshNotificationWithValidGetRequest	❌ failure
SalesforceRestAPITests.testRequestForInvokeNotificationAction	❌ failure
SalesforceRestAPITests.testRequestForInvokeNotificationActionWithVersion	❌ failure
SalesforceRestAPITests.testRequestForNotificationTypes	❌ failure
SalesforceRestAPITests.testRequestForNotificationTypesWithVersion	❌ failure
SalesforceRestAPITests.testRequestUserAgent	❌ failure
SalesforceRestAPITests.testRequestUserAgentWithOverride	❌ failure
SalesforceRestAPITests.testRequestWithCompositeRequest	❌ failure
SalesforceRestAPITests.testRequestWithCompositeRequestResponse	❌ failure
SalesforceRestAPITests.testRestApiGlobalInstance	❌ failure
SalesforceRestAPITests.testRestUrlForBaseUrl	❌ failure
SalesforceRestAPITests.testRestUrlForCommunityUrl	❌ failure
SalesforceRestAPITests.testRestUrlForInstanceServiceHost	❌ failure
SalesforceRestAPITests.testRestUrlForLoginServiceHost	❌ failure
SalesforceRestAPITests.testRestUrlForNetworkServiceType	❌ failure
SalesforceRestAPITests.testRetrieveError	❌ failure
SalesforceRestAPITests.testSalesforceFullUrlPath	❌ failure
SalesforceRestAPITests.testSObjectTreeRequest	❌ failure
SalesforceRestAPITests.testSOQL	❌ failure
SalesforceRestAPITests.testSOQLError	❌ failure
SalesforceRestAPITests.testSOQLQueryWithBatchSize	❌ failure
SalesforceRestAPITests.testSOQLWithNewLine	❌ failure
SalesforceRestAPITests.testSOSL	❌ failure
SalesforceRestAPITests.testUpdateNotificationRequestPath	❌ failure
SalesforceRestAPITests.testUpdateNotificationsRequestContent	❌ failure
SalesforceRestAPITests.testUpdateReadNotifications	❌ failure
SalesforceRestAPITests.testUpdateSeenNotifications	❌ failure
SalesforceRestAPITests.testUpdateWithIfUnmodifiedSince	❌ failure
SalesforceRestAPITests.testUploadBatchDetailsDeleteFiles	❌ failure
SalesforceRestAPITests.testUploadBatchDetailsDeleteFilesCommunity	❌ failure
SalesforceRestAPITests.testUploadDetailsDeleteFile	❌ failure
SalesforceRestAPITests.testUploadDetailsDeleteFileWithCommunity	❌ failure
SalesforceRestAPITests.testUploadDownloadDeleteFile	❌ failure
SalesforceRestAPITests.testUploadDownloadDeleteFileWithCommunity	❌ failure
SalesforceRestAPITests.testUploadOwnedFilesDelete	❌ failure
SalesforceRestAPITests.testUploadProfilePhoto	❌ failure
SalesforceRestAPITests.testUploadProfilePhotoCommunity	❌ failure
SalesforceRestAPITests.testUploadShareFileSharesSharedFilesUnshareDelete	❌ failure
SalesforceRestAPITests.testUpsert	❌ failure
SalesforceRestAPITests.testUpsertWithBogusExternalIdField	❌ failure