build: bump the grpc-deps group across 1 directory with 3 updates

[dependabot]

Bumps the grpc-deps group with 3 updates in the / directory: grpcio, grpcio-health-checking and protobuf.

Updates grpcio from 1.67.1 to 1.68.1

Release notes

Sourced from grpcio's releases.

Release v1.68.1

This is release 1.68.1 (groovy) 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

• [xDS RBAC] Support string_match in HeaderMatcher (#38185). (#38198)

Release v1.68.0

This is release 1.68.0 (groovy) 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

• [XdsClient][Backport] Add missing authority to XdsClient metrics scope (#38009). (#38023)
• [Release] Bump core version in preparation for 1.68 Branch Cut. (#37941)
• [ConfigFetcher] Set HTTP2 error to NO_ERROR to do graceful GOAWAYs. (#37939)
• [ruby] reduce INFO log for server CQ pluck registration to DEBUG. (#37633)
• [EventEngine] Enable the PosixEventEngine client experiment. (#35985)
• [chttp2_server] Fix race between connection starting and it being orphaned. (#37683)
• [Chttp2Server] Fix race between connection manager updates and handshake. (#37772)
• [xds] Fix XdsClient race between ResourceDoesNotExist timer and receiving resources. (#37678)

C++

• [Build] Minimum version of MSVC is now 2022. (#37687)
• [Build] Bumped the minimum version of cmake. (#37702)

Python

• Add templating and support for Python 3.13. (#37643)

Release v1.68.0-pre1

This is a prerelease of gRPC Core 1.68.0 (groovy).

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

This prerelease contains refinements, improvements, and bug fixes.

Commits

• 796e87f [Release] Bump version to 1.68.1 (on v1.68.x branch) (#38202)
• ef921bf [Release] Bump Core patch version in preparation for patch release (#38201)
• 2027e7b [xDS RBAC] Support string_match in HeaderMatcher (#38185) (#38198)
• 7e442a0 [CSM Observability] Add option to use Xds server (v1.68.x backport) (#38199)
• e2b67e1 [CSM] Use xds-enabled server and xds credentials in examples (#38192) (#38195)
• 6b49ae6 [Release] Bump v.1.68.x to 1.68.0 (#38124)
• 2bcf835 [Backport][chttp2] Fix channelz address (#38022) (#38027)
• 5801d12 [XdsClient][Backport] Add missing authority to XdsClient metrics scope (#3800...
• 62e547b Bump v1.68.x version to v1.68.0-pre1 (#38001)
• 1178b2d [retry e2e test] add log message about known flakiness (#37974)
• Additional commits viewable in compare view

Updates grpcio-health-checking from 1.67.1 to 1.68.1

Updates protobuf from 5.28.3 to 5.29.2

Commits

• 796e49f Updating version.json and repo version numbers to: 29.1
• ba6da44 Rename maven to protobuf_maven in MODULE.bazel (#18641) (#19477)
• 5864b50 Revert "Remove deprecated service.py usages from test". For 29.x only (#19434)
• e0a3978 Merge pull request #19425 from protocolbuffers/29.x-202411271837
• 9e78ac7 Updating version.json and repo version numbers to: 29.1-dev
• 2d4414f Updating version.json and repo version numbers to: 29.0
• 870e599 Revert upgrade to rules_java 8.3.1. This is a partial roll-back of fb8ee79 (#...
• 02cffa4 Fix typo in BCR maintainer name config for acozzette@ (#19307)
• 7537b03 Remove Bazel 6 in BCR presubmits (#19309)
• 325aa80 Merge pull request #19305 from protocolbuffers/29.x-202411182222
• Additional commits viewable in compare view

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.61%. Comparing base (9f07547) to head (62746ef).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1569   +/-   ##
=======================================
  Coverage   91.61%   91.61%           
=======================================
  Files          86       86           
  Lines        7064     7064           
=======================================
  Hits         6472     6472           
  Misses        592      592           

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