fix(app, android): adopt firebase-android-sdk 34.8.0

Author: mikehardy

docs/index.md

@@ -320,7 +320,7 @@ project.ext {
       // Overriding Library SDK Versions if desired
       firebase: [
         // Override Firebase SDK Version
-        bom           : "34.7.0"
+        bom           : "34.8.0"
       ],
     ],
   ])

packages/app/package.json

@@ -114,7 +114,7 @@
       "minSdk": 23,
       "targetSdk": 34,
       "compileSdk": 34,
-      "firebase": "34.7.0",
+      "firebase": "34.8.0",
       "firebaseCrashlyticsGradle": "3.0.6",
       "firebasePerfGradle": "2.0.2",
       "gmsGoogleServicesGradle": "4.4.4",