[godot] Update Godot 3.6 build to use 3.6.2-stable and Emscripten 4.0.20

Author: badlogic

.github/workflows/spine-godot.yml

@@ -11,9 +11,9 @@ env:
   AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
   AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
   AWS_EC2_METADATA_DISABLED: true
-  EM_VERSION: 3.1.14
-  GODOT_TAG: 3.6.1-stable
-  GODOT_VERSION: 3.6.1.stable
+  EM_VERSION: 4.0.20
+  GODOT_TAG: 3.6.2-stable
+  GODOT_VERSION: 3.6.2.stable
 
 jobs:
   godot-editor-windows: