rebase: bump google.golang.org/grpc from 1.68.1 to 1.69.0

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.68.1 to 1.69.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.68.1...v1.69.0)

---
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/go.opentelemetry.io/otel/metric/instrument.go

@@ -351,7 +351,7 @@ func WithAttributeSet(attributes attribute.Set) MeasurementOption {
 //
 //	cp := make([]attribute.KeyValue, len(attributes))
 //	copy(cp, attributes)
-//	WithAttributes(attribute.NewSet(cp...))
+//	WithAttributeSet(attribute.NewSet(cp...))
 //
 // [attribute.NewSet] may modify the passed attributes so this will make a copy
 // of attributes before creating a set in order to ensure this function is