Update postgres action

Author: tonybaloney

{{cookiecutter.__src_folder_name}}/.github/workflows/test_postgres.yml

@@ -31,9 +31,9 @@ jobs:
         if: matrix.os == 'macos-latest-xlarge'
         run: brew install postgresql@14
       - name: Setup postgres
-        uses: ikalnytskyi/action-setup-postgres@v4
+        uses: ikalnytskyi/action-setup-postgres@v6
       - name: Setup python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           {% raw %}
           python-version: ${{ matrix.python_version }}