Bump grpcio-reflection from 1.54.0 to 1.54.2 in /test/environment/grpc (

#431)

Bumps [grpcio-reflection](https://grpc.io) from 1.54.0 to 1.54.2.

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

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

test/environment/grpc/requirements.txt

@@ -1,5 +1,5 @@
 grpcio-tools==1.54.0
 grpcio==1.54.2
-grpcio-reflection==1.54.0
+grpcio-reflection==1.54.2
 grpcio-health-checking==1.54.2
 grpcio-testing==1.54.0