Bump grpcio from 1.56.0 to 1.56.2 in /Browser (MarketSquare#2967)

Bumps [grpcio](https://github.com/grpc/grpc) from 1.56.0 to 1.56.2.
- [Release notes](https://github.com/grpc/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](grpc/grpc@v1.56.0...v1.56.2)

---
updated-dependencies:
- dependency-name: grpcio
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Browser/requirements.txt

@@ -1,5 +1,5 @@
 backports.cached-property >= 1.0.2
-grpcio == 1.56.0
+grpcio == 1.56.2
 grpcio-tools == 1.56.0
 protobuf == 4.23.4
 robotframework >= 5.0.1