Bump grpcio from 1.41.0 to 1.53.0 in /scripts

Bumps [grpcio](https://github.com/grpc/grpc) from 1.41.0 to 1.53.0.
- [Release notes](https://github.com/grpc/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](grpc/grpc@v1.41.0...v1.53.0)

---
updated-dependencies:
- dependency-name: grpcio
  dependency-type: direct:production
...

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

Author: dependabot[bot]

scripts/requirements.txt

@@ -11,7 +11,7 @@ google-cloud-storage==1.42.3
 google-crc32c==1.3.0
 google-resumable-media==2.0.3
 googleapis-common-protos==1.53.0
-grpcio==1.41.0
+grpcio==1.53.0
 httplib2==0.20.1
 hurry.filesize==0.9
 idna==3.3