Bump com.google.http-client:google-http-client-appengine

Bumps [com.google.http-client:google-http-client-appengine](https://github.com/googleapis/google-http-java-client) from 1.43.2 to 1.43.3.
- [Release notes](https://github.com/googleapis/google-http-java-client/releases)
- [Changelog](https://github.com/googleapis/google-http-java-client/blob/main/CHANGELOG.md)
- [Commits](googleapis/google-http-java-client@v1.43.2...v1.43.3)

---
updated-dependencies:
- dependency-name: com.google.http-client:google-http-client-appengine
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

plugins/repository-gcs/build.gradle

@@ -71,7 +71,7 @@ dependencies {
   api "com.google.auth:google-auth-library-oauth2-http:${versions.google_auth}"
   api 'com.google.oauth-client:google-oauth-client:1.33.3'
   api 'com.google.api-client:google-api-client:1.34.0'
-  api 'com.google.http-client:google-http-client-appengine:1.43.2'
+  api 'com.google.http-client:google-http-client-appengine:1.43.3'
   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'