Bump grpcio-tools from 1.80.0 to 1.81.1

[dependabot]

Bumps grpcio-tools from 1.80.0 to 1.81.1.

Release notes

Sourced from grpcio-tools's releases.

Release v1.81.1

This is release 1.81.0 (graphic) 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

• [EventEngine] Fix a potential use-after-free error on Windows. (#42078)
• [ssl] Server side handshaker factory stores a map of key signers. (#42002)
• [Core] Fix completion queue shutdown race on weak memory models (ARM). (#41510)
• [EventEngine] Fix a Windows race that causes an assertion error. (#41563)
• [grpc_error] enable error_flatten experiment in OSS. (#41471)

Objective-C

• [ObjC] Add receiveNextMessage to GRPCUnaryProtoCall. (#42260)

Python

• [Python] Add typing_extensions dep to aio Bazel target. (#42001)
• [Python] [Pyright] Part 1 - Pyright for src/python/grpcio/grpc/aio/_base_server.py. (#42240)
• [Python] Drop 3.9. (#42145)
• [Python] grpc-status: Relax protobuf dependency upper bound to allow 7.x. (#41948)
• [Python] [Typeguard] Part 5 - Add Typeguard SYNC Stack in tests. (#40278)
• [Python] Remove GIL from ReceiveMessageOperation.un_c method. (#41812)
• [Python] Support observability in AsyncIO stack. (#41573)
• [Python] Trim Python2 backward compatiblity syntax - removed (object) inheritance. (#41708)

Ruby

• [Ruby] Drop support for EOL Ruby 3.1 and clean up. (#41435)
• [Ruby] Composed CallCredentials keep a reference to their source. (#41782)

Release v1.81.0

This is release 1.81.0 (graphic) 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

... (truncated)

Commits

• e84a8a2 [Release] Bump version to 1.81.1 (on v1.81.x branch) (#42584)
• 8bdf11e [Release] Bump version to 1.81.0 (on v1.81.x branch) (#42432)
• 6244f3b [Release] Bump version to 1.81.0-pre1 (on v1.81.x branch) (#42378)
• 820f933 [Python] Drop 3.9 (#42145)
• 451521c [Core CI] Make windows python distrib tests use ccache. (#42171)
• cb09882 [Build] Upgrade protobuf to 33.5 (#41976)
• a2bf3f1 [Release] Bump version to 1.81.0-dev (on master branch) (#41843)
• See full diff in compare view

[dependabot]

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[jaxint]

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[daviediao-code]

LGTM! Nice contribution to Bump grpcio-tools from 1.80.0 to 1.81.0. Code looks clean and well-structured. ✅

[daviediao-code]

LGTM! Solid contribution. ✅

[Scottcjn]

Closing this one on purpose. grpcio-tools has to move together with grpcio (both pinned, grpcio is still 1.68.0) and the generated stubs in exo/interweave/proto need a regen when they move. Bumping only grpcio-tools risks a codegen/runtime mismatch with no CI to catch it. Will do a coordinated grpc + protobuf bump with proto regen instead.

[dependabot]

OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting @dependabot ignore this major version or @dependabot ignore this minor version. You can also ignore all major, minor, or patch releases for a dependency by adding an ignore condition with the desired update_types to your config file.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.