Update actions

.github/workflows/ci.yml

@@ -13,9 +13,9 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
           cache: pip
@@ -43,20 +43,14 @@ jobs:
             extra_name: ', check formatting'
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup python
-        uses: actions/setup-python@v2
-        if: "!endsWith(matrix.python, '-dev')"
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
           allow-prereleases: true
           cache: pip
           cache-dependency-path: test-requirements.txt
-      - name: Setup python (dev)
-        uses: deadsnakes/[email protected]
-        if: endsWith(matrix.python, '-dev')
-        with:
-          python-version: '${{ matrix.python }}'
       - name: Run tests
         run: ./ci.sh
         env:
@@ -74,9 +68,9 @@ jobs:
         python: ['3.8', '3.9', '3.10', '3.11', '3.12']
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
           cache: pip