deps: update module google.golang.org/grpc to v1.68.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
google.golang.org/grpc	v1.67.1 -> v1.68.0

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Release Notes

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

v1.68.0: Release 1.68.0

Compare Source

Behavior Changes

• stats/opentelemetry/csm: Get mesh_id local label from "CSM_MESH_ID" environment variable, rather than parsing from bootstrap file (#​7740)
• orca (experimental): if using an ORCA listener, it must now be registered only on a READY SubConn, and the listener will automatically be stopped when the connection is lost. (#​7663)
• client: ClientConn.Close() now closes transports simultaneously and waits for transports to be closed before returning. (#​7666)
• credentials: TLS credentials created via NewTLS that use tls.Config.GetConfigForClient will now have CipherSuites, supported TLS versions and ALPN configured automatically. These were previously only set for configs not using the GetConfigForClient option. (#​7709)

Bug Fixes

• transport: prevent deadlock in client transport shutdown when writing the GOAWAY frame hangs. (#​7662)
• mem: reuse buffers more accurately by using slice capacity instead of length (#​7702)
  • Special Thanks: @​PapaCharlie
• status: Fix regression caused by #​6919 in status.Details() causing it to return a wrapped type when getting proto messages generated with protoc-gen-go < v1. (#​7724)

Dependencies

• Bump minimum supported Go version to go1.22.7. (#​7624)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.72%. Comparing base (687f40a) to head (34aa928).
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3850      +/-   ##
==========================================
+ Coverage   77.70%   77.72%   +0.02%     
==========================================
  Files         219      219              
  Lines       11575    11575              
==========================================
+ Hits         8994     8997       +3     
+ Misses       2216     2214       -2     
+ Partials      365      364       -1     

see 1 file with indirect coverage changes

Flag	Coverage Δ
certificate-operator	47.44% <ø> (ø)
component-tests	57.78% <ø> (+0.69%)	⬆️
lifecycle-operator	79.68% <ø> (ø)
metrics-operator	75.91% <ø> (ø)

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[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

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