Log Message:
grpc: updated to 1.49.1

v1.49.1

All

Update protobuf to v21.6 on 1.49.x.

v1.49.0

Core

Backport: "stabilize the C2P resolver URI scheme" to v1.49.x.
Bump core version.
Update OpenCensus to HEAD.
Update protobuf submodule to 3.21.5.
Update third_party/protobuf to 3.21.4.
[core] Remove GRPC_INITIAL_METADATA_CORKED flag.
HTTP2: Fix keepalive time throttling.
Use AnyInvocable in EventEngine APIs.

Python

Support Python 3.11
Add type stub generation support to grpcio-tools.