Fix GHA

Author: andrew-codechimp

.github/workflows/json_validate.yml

@@ -19,6 +19,6 @@ jobs:
       - name: Validate JSON
         uses: ScratchAddons/validate-json-action@master
         with:
-          schema: custom_components/battery_notes/data/schema.json
+          schema: ./schema.json
           jsons: |
             custom_components/battery_notes/data/library.json