Update dependency com.android.tools.build:gradle to v7.1.3

This MR contains the following updates:

Package	Update	Change
com.android.tools.build:gradle (source)	patch	7.1.2 -> 7.1.3

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build.gradle.kts

@@ -7,7 +7,7 @@ buildscript {
   }
 
   dependencies {
-    classpath("com.android.tools.build:gradle:7.1.2")
+    classpath("com.android.tools.build:gradle:7.1.3")
     classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:${Versions.kotlin}")
     classpath("com.github.bjoernq:unmockplugin:${Versions.unmock}")
     classpath("com.github.ben-manes:gradle-versions-plugin:${Versions.gradleDependencyPlugin}")