update version to 6.12.4

Author: tibbi

app/build.gradle

@@ -15,8 +15,8 @@ android {
         applicationId "com.simplemobiletools.filemanager.pro"
         minSdkVersion 21
         targetSdkVersion 31
-        versionCode 120
-        versionName "6.12.3"
+        versionCode 121
+        versionName "6.12.4"
         multiDexEnabled true
         setProperty("archivesBaseName", "file-manager")
         vectorDrawables.useSupportLibrary = true