Force mypy Github action to Py 3.13

Author: madduck

.github/workflows/python-package.yml

@@ -32,4 +32,6 @@ jobs:
         run: |
           pytest
       - name: Mypy Check
-        uses: jpetrucciani/[email protected]
+        uses: jpetrucciani/mypy-check@master
+        with:
+          python_version: "3.13"