Bump com.google.api:gax-httpjson in /plugins/repository-gcs

Bumps com.google.api:gax-httpjson from 0.103.1 to 0.111.0.

---
updated-dependencies:
- dependency-name: com.google.api:gax-httpjson
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

plugins/repository-gcs/build.gradle

@@ -76,7 +76,7 @@ dependencies {
   api 'com.google.http-client:google-http-client-appengine:1.41.8'
   api 'com.google.http-client:google-http-client-jackson2:1.42.3'
   api 'com.google.http-client:google-http-client-gson:1.41.4'
-  api 'com.google.api:gax-httpjson:0.103.1'
+  api 'com.google.api:gax-httpjson:0.111.0'
   api 'io.grpc:grpc-context:1.46.0'
   api 'io.opencensus:opencensus-api:0.31.1'
   api 'io.opencensus:opencensus-contrib-http-util:0.31.1'