update version to 5.9.1

Author: tibbi

app/build.gradle

@@ -15,8 +15,8 @@ android {
         applicationId "com.simplemobiletools.applauncher"
         minSdkVersion 21
         targetSdkVersion 31
-        versionCode 42
-        versionName "5.9.0"
+        versionCode 43
+        versionName "5.9.1"
         multiDexEnabled true
         setProperty("archivesBaseName", "app-launcher")
     }