Workflows: aha, self-contained file wasn't cached

Author: cassidyjames

.github/workflows/github-pages.yml

@@ -58,6 +58,7 @@ jobs:
         with:
           path: |
             build/godot
+            build/._sc_
             build/editor_data/export_templates/${{ env.GODOT_VERSION }}.stable
           key: godot-${{ env.GODOT_VERSION }}