rebase: bump google.golang.org/grpc from 1.72.2 to 1.73.0

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.72.2 to 1.73.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.72.2...v1.73.0)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-version: 1.73.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

vendor/google.golang.org/grpc/clientconn.go

@@ -689,22 +689,31 @@ func (cc *ClientConn) Connect() {
 	cc.mu.Unlock()
 }
 
-// waitForResolvedAddrs blocks until the resolver has provided addresses or the
-// context expires.  Returns nil unless the context expires first; otherwise
-// returns a status error based on the context.
-func (cc *ClientConn) waitForResolvedAddrs(ctx context.Context) error {
+// waitForResolvedAddrs blocks until the resolver provides addresses or the
+// context expires, whichever happens first.
+//
+// Error is nil unless the context expires first; otherwise returns a status
+// error based on the context.
+//
+// The returned boolean indicates whether it did block or not. If the
+// resolution has already happened once before, it returns false without
+// blocking. Otherwise, it wait for the resolution and return true if
+// resolution has succeeded or return false along with error if resolution has
+// failed.
+func (cc *ClientConn) waitForResolvedAddrs(ctx context.Context) (bool, error) {
 	// This is on the RPC path, so we use a fast path to avoid the
 	// more-expensive "select" below after the resolver has returned once.
 	if cc.firstResolveEvent.HasFired() {
-		return nil
+		return false, nil
 	}
+	internal.NewStreamWaitingForResolver()
 	select {
 	case <-cc.firstResolveEvent.Done():
-		return nil
+		return true, nil
 	case <-ctx.Done():
-		return status.FromContextError(ctx.Err()).Err()
+		return false, status.FromContextError(ctx.Err()).Err()
 	case <-cc.ctx.Done():
-		return ErrClientConnClosing
+		return false, ErrClientConnClosing
 	}
 }