Merge pull request #802 from firebase/samgho/version-bump

Bump firebase dev dependency version number to 8.2.4

Author: sam-gc

package.json

@@ -39,7 +39,7 @@
   "license": "Apache-2.0",
   "devDependencies": {
     "closure-builder": "^2.3.8",
-    "firebase": "^7.23.0",
+    "firebase": "^8.2.4",
     "firebase-tools": "^7.16.2",
     "fs-extra": "^3.0.1",
     "google-closure-compiler": "^20190415.0.0",
@@ -62,6 +62,6 @@
     "material-design-lite": "^1.2.0"
   },
   "peerDependencies": {
-    "firebase": ">=7.11.0"
+    "firebase": ">=8.2.4"
   }
 }