ci: Update action versions. (#507)

.github/workflows/test.yml

@@ -10,17 +10,17 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04, windows-2022, macos-10.15]
-        py: ["3.10", "3.9", "3.8", "3.7", "3.6"]
+        py: ["3.11-dev", "3.10", "3.9", "3.8", "3.7", "3.6"]
 
     runs-on: ${{ matrix.os }}
     name: Run test with Python ${{ matrix.py }} on ${{ matrix.os }}
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3
         with:
           python-version: ${{ matrix.py }}
           cache: "pip"
@@ -28,7 +28,6 @@ jobs:
       - name: Build
         shell: bash
         run: |
-          python -m pip install -U pip
           pip install -r requirements.txt pytest
           make cython
           pip install .