build: upgrade firebase

Author: EnixCoda

Diff for: package.json

@@ -17,7 +17,7 @@
     "@sentry/node": "^5.7.1",
     "@types/http-proxy": "^1.17.0",
     "@types/uuid": "^3.4.5",
-    "firebase": "^5.11.1",
+    "firebase": "^8.4.2",
     "http-proxy": "^1.17.0",
     "slack": "^11.0.2",
     "typescript": "^3.6.4",