[godot] Update to Godot 3.6.1 in GH workflow to fix embree issues

Author: badlogic

.github/workflows/spine-godot.yml

@@ -1,4 +1,4 @@
-name: Build spine-godot (Godot 3.5)
+name: Build spine-godot (Godot 3.6)
 on:
   push:
     paths:
@@ -12,8 +12,8 @@ env:
   AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
   AWS_EC2_METADATA_DISABLED: true
   EM_VERSION: 3.1.14
-  GODOT_TAG: 3.6-stable
-  GODOT_VERSION: 3.6.stable
+  GODOT_TAG: 3.6.1-stable
+  GODOT_VERSION: 3.6.1.stable
 
 jobs:
   godot-editor-windows: