Bump grpcio in /getting-started-guides/python/Instrumented (#569)

Bumps [grpcio](https://github.com/grpc/grpc) from 1.53.0 to 1.53.2.
- [Release notes](https://github.com/grpc/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](grpc/grpc@v1.53.0...v1.53.2)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

getting-started-guides/python/Instrumented/requirements.txt

@@ -5,7 +5,7 @@ click==8.1.3
 Deprecated==1.2.13
 Flask==2.2.5
 googleapis-common-protos==1.58.0
-grpcio==1.53.0
+grpcio==1.53.2
 idna==3.4
 itsdangerous==2.1.2
 Jinja2==3.1.3