Update module google.golang.org/grpc to v1.68.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
google.golang.org/grpc	v1.68.0 -> v1.68.1

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Release Notes

grpc/grpc-go (google.golang.org/grpc)

v1.68.1: Release 1.68.1

Compare Source

Bug Fixes

• credentials/alts: avoid SRV and TXT lookups for handshaker service to work around hangs caused by buggy versions of systemd-resolved. (#​7861)

Dependencies

• Relax minimum Go version requirement from go1.22.7 to go1.22. (#​7831)

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Configuration

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 39.03%. Comparing base (e01df31) to head (744c233).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #100   +/-   ##
=======================================
  Coverage   39.03%   39.03%           
=======================================
  Files          20       20           
  Lines        1732     1732           
=======================================
  Hits          676      676           
  Misses        976      976           
  Partials       80       80           

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