chore(deps): update bufbuild/buf docker tag to v0.40.0 (#2040)
chore(deps): update bufbuild/buf docker tag to v0.40.0 (#2040)

Co-authored-by: Renovate Bot <c71e7261d37a4f6ae4cfb0cbd79081310a237e67@renovateapp.com>
gengo/grpc-gateway,gengo/grpc-gateway,grpc-ecosystem/grpc-gateway