rebase: bump google.golang.org/grpc from 1.66.2 to 1.67.0

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.66.2 to 1.67.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.66.2...v1.67.0)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/google.golang.org/grpc/internal/binarylog/method_logger.go

@@ -106,7 +106,7 @@ func (ml *TruncatingMethodLogger) Build(c LogEntryConfig) *binlogpb.GrpcLogEntry
 }
 
 // Log creates a proto binary log entry, and logs it to the sink.
-func (ml *TruncatingMethodLogger) Log(ctx context.Context, c LogEntryConfig) {
+func (ml *TruncatingMethodLogger) Log(_ context.Context, c LogEntryConfig) {
 	ml.sink.Write(ml.Build(c))
 }