Moving to GitHub actions (#27)

* remove .travis.yml

* update pythons versions for tests

* update workflow versions

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Co-authored-by: Javier Cordero <github@j2i.me>

.github/workflows/ci.yml

@@ -39,10 +39,10 @@ jobs:
           - 5432:5432
     steps:
       - name: 'Set up Python ${{ matrix.python-version }}'
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: '${{ matrix.python-version }}'
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - run: pip install --upgrade pip
       - run: pip install django==${{ matrix.django-version}}
       - run: pip install psycopg2