update actions

Author: mattip

.github/workflows/cibuildwheel.yml

@@ -18,11 +18,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, windows-2019, macos-latest]
+        os: [ubuntu-22.04, windows-2022, macos-latest]
 
     steps:
       # Note: the action happens inside a docker image
-      - uses: actions/checkout@v4.2
+      - uses: actions/checkout@v4
 
       - name: Build wheels
         uses: pypa/cibuildwheel@v2.21.1
@@ -48,7 +48,7 @@ jobs:
 
     steps:
       # Note: not inside a docker
-      - uses: actions/checkout@v4.2
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: 'pypy-3.10'

.github/workflows/tests.yml

@@ -28,7 +28,7 @@ jobs:
           #     python: "3.10"
           #     experimental: false
     steps:
-    - uses: actions/checkout@v4.2
+    - uses: actions/checkout@v4
     - name: Install libunwind
       run: |
         sudo apt install -y libunwind-dev