fix(deps): update module google.golang.org/grpc to v1.64.0#124

Kavindu-Dodan merged 1 commit intomainopen-feature/flagd-testbed:mainfrom

renovate/google.golang.org-grpc-1.xopen-feature/flagd-testbed:renovate/google.golang.org-grpc-1.xCopy head branch name to clipboard