CI: Readd generateSnapshotUpdateSite to build stage

Signed-off-by: Taylor Smock <tsmock@fb.com>

.gitlab-ci.yml

@@ -103,7 +103,7 @@ code_navigation:
 build:
   stage: test
   script:
-    - ./gradlew build --stacktrace #--info
+    - ./gradlew build generatePot generateSnapshotUpdateSite --stacktrace #--info
   artifacts:
     paths:
     - build