Bump GitHub Actions (#273)

Author: hugovk

.github/workflows/main.yml

@@ -46,14 +46,14 @@ jobs:
             python: "3.10"
             experimental: false
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       if: "!endsWith(matrix.python, '-dev')"
       with:
         python-version: ${{ matrix.python }}
     - name: Set up Python ${{ matrix.python }} using deadsnakes
-      uses: deadsnakes/action@v2.1.1
+      uses: deadsnakes/action@v3.0.0
       if: "endsWith(matrix.python, '-dev')"
       with:
         python-version: ${{ matrix.python }}