Update dependency com.google.firebase:firebase-crashlytics-gradle to v3

Author: renovate[bot]

build.gradle

@@ -12,7 +12,7 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:3.6.1'
         classpath 'com.google.gms:google-services:4.3.3'
-        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.0.0-beta03'
+        classpath 'com.google.firebase:firebase-crashlytics-gradle:3.0.5'
         classpath 'com.google.firebase:perf-plugin:1.3.1'