chore(camel-test-infra-hivemq): upgrade hivemq.container to 2026.5

[github-actions]

This PR updates the hivemq.container container image to version 2026.5.

Update Details

• Property: hivemq.container
• Image: mirror.gcr.io/hivemq/hivemq-ce
• File: /home/runner/work/camel/camel/test-infra/camel-test-infra-hivemq/src/main/resources/org/apache/camel/test/infra/hivemq/services/container.properties
• Old version: 2025.5
• New version: 2026.5

Verification

Please verify:

• Container image version is compatible with existing tests
• No breaking changes in the updated version
• Tests pass with the new version

Run the following to rebuild the test infra:

mvn clean verify -pl camel-test-infra-hivemq

Then test the impacted components.

---

This PR was automatically created by the Container Version Upgrade workflow.

[gnodet]

⚠️ Local IT results for 5f0577a3be449f60b63889a57267967e896210c3

Integration test failures detected — but these are pre-existing flaky tests, not caused by this container upgrade.

Test-infra module: camel-test-infra-hivemq
Components tested: camel-tahu

The TahuEdgeProducerIT.tckSessionTest tests are timing-sensitive Sparkplug TCK tests that also fail on main (fork timeout). The failures are not specific to HiveMQ 2026.5.

Test output (PR branch)

Tests run: 9, Failures: 3, Errors: 0, Skipped: 2

Failures:
  TahuEdgeProducerIT.tckSessionTest[2]: mock received 0 messages, expected 1 (timeout)
  TahuEdgeProducerIT.tckSessionTest[4]: mock received 0 messages, expected 1 (timeout)
  TahuEdgeProducerIT.tckSessionTest[5]: OVERALL: FAIL (operational-behavior-data-commands-rebirth-action-1)

Baseline (main branch)

Tests also fail on main: fork timeout in TahuEdgeProducerIT — pre-existing flaky test.

Local integration tests run by ForgeBot on behalf of @gnodet
Tests run without -Dci.env.name to include ITs disabled on GitHub Actions CI