Merge pull request #8190 from nextcloud/dependabot/gradle/com.android.tools.build-gradle-4.1.3

Bump gradle from 4.1.2 to 4.1.3

build.gradle

@@ -18,7 +18,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.2'
+        classpath 'com.android.tools.build:gradle:4.1.3'
         classpath('com.hiya:jacoco-android:0.2')
         classpath 'gradle.plugin.com.github.spotbugs.snom:spotbugs-gradle-plugin:4.7.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"