chore(deps): update python packages

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
grpcio	1.81.1 → 1.82.1
mypy (changelog)	2.1.0 → 2.2.0
tox (changelog)	4.56.1 → 4.56.4
types-grpcio (changelog)	1.0.0.20260614 → 1.82.1.20260711
types-requests (changelog)	2.33.0.20260518 → 2.33.0.20260712

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Release Notes

grpc/grpc (grpcio)

v1.82.1

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This is release gRPC Core 1.82.1 (glacier).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes.

What's Changed

Python

• [Backport][v1.82.x][Python] Update lower bound for protobuf from 6.33.5 to 7.35.1 by @​asheshvidyut in #​42920

Full Changelog: grpc/grpc@v1.82.0...v1.82.1

v1.82.0

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This is release gRPC Core 1.82.0 (glacier).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes.
This is release 1.82.0 (glacier) of gRPC Core.

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes, with highlights listed below.

Core

• [call creds] Add support for looking up and attaching regional access boundary policy metadata. (#​41594)
• Unregister CFStream callbacks during endpoint shutdown. (#​42211)
• Fix fd 0 incorrectly treated as invalid across POSIX socket code. (#​41764)
• [xDS] enable new ORCA-to-LRS propagation behavior (gRFC A85). (#​42411)
• [RetryFilter::LegacyCallData]: avoid tripping abseil nullopt assertion. (#​42405)
• [xds] Implement A114: WRR support for custom backend metrics. (#​41750)
• [Core] Upgrade to protobuf 35 (#​42512)

PHP

• [Backport][v1.82.x][PHP] Add PIE support for PHP extention. (#​42873)

Python

Added 2026-07-12:
CAUTION! This gRPC Python release 1.82.0 was yanked from PyPI on 2026-07-07 due to issue #​42906.

• [Python] [Pyright] Part 2 - Pyright for src/python/grpcio/grpc/aio/_call.py. (#​42272)
• [Python][aio] Fix issue #​42393: 100% CPU when Python run with -O flag. (#​42470)
• [Python] [Typeguard] Part 6 - Add Typeguard SYNC Stack in tests. (#​40353)
• [Python] [Pyright] Part 3 - Pyright for src/python/grpcio/grpc/aio/_metadata.py. (#​42273)
• [Python] Cancel calls without closing channels in fork child. (#​41784)
• [Python] Migrated to protobuf 3.35.

Ruby

• [Ruby] Implemented Pure Ruby Call Credentials. (#​41946)
• [Ruby] Fix Ruby interceptors not running in FIFO order. (#​42346)

python/mypy (mypy)

v2.2.0

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tox-dev/tox (tox)

v4.56.4

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What's Changed

• 🐛 fix(discovery): find debug interpreters like python3.13-dbg by @​gaborbernat in #​3978

Full Changelog: tox-dev/tox@4.56.3...4.56.4

v4.56.3

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What's Changed

• Don't double-close the child pty fd (fixes parallel Bad file descriptor) (#​3975) by @​apoorvdarshan in #​3976

New Contributors

• @​apoorvdarshan made their first contribution in #​3976

Full Changelog: tox-dev/tox@4.56.2...4.56.3

v4.56.2

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What's Changed

• 🔧 chore(type): drop stale ty invalid-assignment ignores by @​gaborbernat in #​3970
• Fix 17 bugs found in a deep codebase sweep by @​gaborbernat in #​3974

Full Changelog: tox-dev/tox@4.56.1...4.56.2

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Test Results

    46 files  ±0      46 suites  ±0   1h 17m 39s ⏱️ -27s
 3 209 tests ±0   2 556 ✅ ±0     653 💤 ±0  0 ❌ ±0 
61 966 runs  ±0  49 136 ✅ ±0  12 830 💤 ±0  0 ❌ ±0 

Results for commit e6f95ea. ± Comparison against base commit 2269165.