feat: update GKE v1 API (#401)

This update follows the proto changes from [this commit](googleapis/googleapis@75d1324).

Author: alexander-fenster

packages/google-container/package.json

@@ -38,7 +38,7 @@
     "compile": "tsc -p . && cp -r protos build/",
     "compile-protos": "compileProtos src",
     "predocs-test": "npm run docs",
-    "prepare": "npm run compile",
+    "prepare": "npm run compile-protos && npm run compile",
     "prelint": "cd samples; npm link ../; npm install",
     "precompile": "gts clean",
     "api-extractor": "api-extractor run --local",