Update asset cache key in order to ensure fresh cashes

.gitlab/ci/global.gitlab-ci.yml

@@ -79,7 +79,7 @@
   policy: push  # We want to rebuild the cache from scratch to ensure stale dependencies are cleaned up.
 
 .assets-cache: &assets-cache
-  key: "assets-debian-${DEBIAN_VERSION}-ruby-${RUBY_VERSION}-node-${NODE_ENV}"
+  key: "assets-debian-${DEBIAN_VERSION}-ruby-${RUBY_VERSION}-node-${NODE_ENV}-v2"
   paths:
     - assets-hash.txt
     - public/assets/webpack/