Update dependency firebase-tools to v9 (#4222)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

package.json

@@ -106,7 +106,7 @@
     "express": "4.17.1",
     "find-free-port": "2.0.0",
     "firebase-functions": "3.11.0",
-    "firebase-tools": "8.16.2",
+    "firebase-tools": "9.0.1",
     "git-rev-sync": "3.0.1",
     "glob": "7.1.6",
     "http-server": "0.12.3",

packages/auth/package.json

@@ -25,7 +25,7 @@
     "@firebase/auth-types": "0.10.1"
   },
   "devDependencies": {
-    "firebase-tools": "8.16.2",
+    "firebase-tools": "9.0.1",
     "google-closure-compiler": "20200112.0.0",
     "google-closure-library": "20200830.0.0",
     "gulp": "4.0.2",

packages/rules-unit-testing/package.json

@@ -28,7 +28,7 @@
     "@google-cloud/firestore": "4.7.1",
     "@types/request": "2.48.5",
     "firebase-admin": "9.4.1",
-    "firebase-tools": "8.16.2",
+    "firebase-tools": "9.0.1",
     "firebase-functions": "3.11.0",
     "rollup": "2.33.2",
     "rollup-plugin-typescript2": "0.29.0"