fix(deps): update dependency google-protobuf to v3.21.2

Change-Id: I9e5322f60b0a843d66fa42f1d27639752e8a9587
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 1ea0884..1e4b0f0 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -2756,9 +2756,9 @@
       }
     },
     "node_modules/google-protobuf": {
-      "version": "3.18.0-rc.2",
-      "resolved": "https://registry.npmjs.org/google-protobuf/-/google-protobuf-3.18.0-rc.2.tgz",
-      "integrity": "sha512-mKZG5WYrwR/y1mA8xB+qI1O/6Pmvu4V6zldf+dpHdx6zoyVWT5lJTyXU8rAlpL7jtbe47e6M9L4PyWnKsYMOXQ=="
+      "version": "3.21.2",
+      "resolved": "https://registry.npmjs.org/google-protobuf/-/google-protobuf-3.21.2.tgz",
+      "integrity": "sha512-3MSOYFO5U9mPGikIYCzK0SaThypfGgS6bHqrUGXG3DPHCrb+txNqeEcns1W0lkGfk0rCyNXm7xB9rMxnCiZOoA=="
     },
     "node_modules/graceful-fs": {
       "version": "4.2.8",
@@ -8144,9 +8144,9 @@
       }
     },
     "google-protobuf": {
-      "version": "3.18.0-rc.2",
-      "resolved": "https://registry.npmjs.org/google-protobuf/-/google-protobuf-3.18.0-rc.2.tgz",
-      "integrity": "sha512-mKZG5WYrwR/y1mA8xB+qI1O/6Pmvu4V6zldf+dpHdx6zoyVWT5lJTyXU8rAlpL7jtbe47e6M9L4PyWnKsYMOXQ=="
+      "version": "3.21.2",
+      "resolved": "https://registry.npmjs.org/google-protobuf/-/google-protobuf-3.21.2.tgz",
+      "integrity": "sha512-3MSOYFO5U9mPGikIYCzK0SaThypfGgS6bHqrUGXG3DPHCrb+txNqeEcns1W0lkGfk0rCyNXm7xB9rMxnCiZOoA=="
     },
     "graceful-fs": {
       "version": "4.2.8",