Bump grpcio from 1.38.0 to 1.53.0

Bumps [grpcio](https://github.com/grpc/grpc) from 1.38.0 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](https://github.com/grpc/grpc/compare/v1.38.0...v1.53.0)

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

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

setup.py

@@ -42,7 +42,7 @@ setup(
         'elasticsearch==7.10.1',
         'hachoir==3.1.2',
         'filetype==1.0.9',
-        'grpcio==1.38.0',
+        'grpcio==1.53.0',
         'lbry-rocksdb==0.8.2',
         'ujson==5.4.0',
         'rehash==1.0.0'