go_modules in /. for github.com/in-toto/attestation, github.com/sigstore/rekor, google.golang.org/grpc, google.golang.org/protobuf - Update #955521210

go_modules in /. for github.com/in-toto/attestation, github.com/sigstore/rekor, google.golang.org/grpc, google.golang.org/protobuf - Update #955521210 #335