Update app version

app/build.gradle

@@ -2,14 +2,14 @@ apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
 
     defaultConfig {
         applicationId 'org.traccar.manager'
         minSdkVersion 19
-        targetSdkVersion 30
-        versionCode 28
-        versionName '2.17'
+        targetSdkVersion 31
+        versionCode 29
+        versionName '2.18'
     }
 
     compileOptions {