[stubsabot] Bump grpcio to ~=1.83.0

Release: https://pypi.org/pypi/grpcio/1.83.0
Homepage: https://grpc.io
Repository: https://github.com/grpc/grpc
Typeshed stubs: https://github.com/python/typeshed/tree/main/stubs/grpcio
Diff: grpc/grpc@v1.82.1...v1.83.0

Stubsabot analysis of the diff between the two releases:
 - Total lines of Python code added: 75.
 - Total lines of Python code deleted: 20.

If stubtest fails for this PR:
- Leave this PR open (as a reminder, and to prevent stubsabot from opening another PR)
- Fix stubtest failures in another PR, then close this PR

Note that you will need to close and re-open the PR in order to trigger CI

Author: stubsabot

stubs/grpcio/METADATA.toml

@@ -1,4 +1,4 @@
-version = "~= 1.82.1"
+version = "~=1.83.0"
 upstream-repository = "https://github.com/grpc/grpc"
 partial-stub = true