chore: update action dependencies

Author: JuroOravec

.github/workflows/publish-to-pypi.yml

@@ -14,12 +14,12 @@ jobs:
     if: github.repository == 'django-components/djc-ext-pydantic'
     steps:
       - name: Checkout the repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Setup python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.9'
+          python-version: '3.13'
 
       - name: Install pypa/build
         run: >-