Improve deprecation warning

dist/index.js

@@ -7210,6 +7210,7 @@ class Input {
         return Input.getInput('androidVersionCode');
     }
     static get androidAppBundle() {
+        core.warning('androidAppBundle is deprecated, please use androidExportType instead in the Unity-Build-Action');
         const input = Input.getInput('androidAppBundle') || false;
         return input === 'true';
     }

src/model/input.ts

@@ -134,6 +134,7 @@ class Input {
   }
 
   static get androidAppBundle() {
+    core.warning('androidAppBundle is deprecated, please use androidExportType instead in the Unity-Build-Action');
     const input = Input.getInput('androidAppBundle') || false;
 
     return input === 'true';