Update gcloud versions (#264)

Update latest gcloud versions

Author: google-github-actions-bot

data/versions.json

@@ -433,5 +433,6 @@
   "479.0.0",
   "480.0.0",
   "481.0.0",
-  "482.0.0"
+  "482.0.0",
+  "483.0.0"
 ]