Update gradle plugin version to 3.4.1

Author: hunter-t

buildSrc/src/main/kotlin/Dependencies.kt

@@ -8,7 +8,7 @@ object Versions {
     const val kotlinVer = "1.3.11"
     const val projectVer = "1.0.4"
     const val androidXVer = "1.0.0"
-    const val gradlePluginVer = "3.3.2"
+    const val gradlePluginVer = "3.4.1"
 }
 
 object BuildScriptPlugins {