feat: Update version code to 22 and version name to 1.6.0

Author: duartebarbosadev

app/build.gradle.kts

@@ -56,8 +56,8 @@ android {
             libs.versions.targetSdk
                 .get()
                 .toInt()
-        versionCode = 21
-        versionName = "1.5.1"
+        versionCode = 22
+        versionName = "1.6.0"
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }