Update Actions' versions

Author: kytta

.github/workflows/test.yml

@@ -13,10 +13,10 @@ jobs:
         django-version: ['3.2', '4.0', '4.1', 'main']
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
 
@@ -26,7 +26,7 @@ jobs:
         echo "::set-output name=dir::$(pip cache dir)"
 
     - name: Cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ${{ steps.pip-cache.outputs.dir }}
         key:
@@ -46,6 +46,6 @@ jobs:
         DJANGO: ${{ matrix.django-version }}
 
     - name: Upload coverage
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v3
       with:
         name: Python ${{ matrix.python-version }}