Update Android SDK

Author: JonasVautherin

mavsdk_server/build.gradle

@@ -110,7 +110,7 @@ allprojects {
 }
 
 android {
-    compileSdkVersion 31
+    compileSdkVersion 33
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_17
@@ -119,7 +119,7 @@ android {
 
     defaultConfig {
         minSdkVersion 21
-        targetSdkVersion 31
+        targetSdkVersion 33
 
         archivesBaseName = 'mavsdk-server'
         group = 'io.mavsdk'