fix: use more modern, supported versions of github actions (#223)

Co-authored-by: Andrey Ilyin <aa.ilin@samolet.ru>

Author: mgrdcm

.github/workflows/test.yml

@@ -40,10 +40,10 @@ jobs:
             django-version: '5.1'
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
       if: ${{ matrix.python-version != '3.7' }}
       with:
         python-version: ${{ matrix.python-version }}
@@ -80,6 +80,6 @@ jobs:
         DJANGO: ${{ matrix.django-version }}
 
     - name: Upload coverage
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v4
       with:
         name: Python ${{ matrix.python-version }}