Add cat ears

.forgejo/workflows/stl.yaml

@@ -26,6 +26,10 @@ on:
           - pixel-cats/spooked-right.svg
           - pixel-cats/standing-left.svg
           - pixel-cats/standing-right.svg
+      ears:
+        description: 'Cat Ears'
+        default: false
+        type: boolean
 
 jobs:
 
@@ -47,6 +51,7 @@ jobs:
       env:
         LABEL: "${{ inputs.label }}"
         ICON: "${{ inputs.icon }}"
+        EARS: "${{ inputs.ears }}"
 
     - name: Render to STL
       run: openscad --export-format binstl -o bottle-clip.stl ci.scad