update actions

Author: mattip

.github/workflows/cibuildwheel.yml

@@ -22,10 +22,10 @@ jobs:
 
     steps:
       # Note: the action happens inside a docker image
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4.2
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.11.4
+        uses: pypa/cibuildwheel@v2.21.1
         env:
           CIBW_MANYLINUX_X86_64_IMAGE: manylinux2014
           CIBW_MANYLINUX_I686_IMAGE: manylinux2014
@@ -48,10 +48,10 @@ jobs:
 
     steps:
       # Note: not inside a docker
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v3
+      - uses: actions/checkout@v4.2
+      - uses: actions/setup-python@v4
         with:
-          python-version: 'pypy-3.9'
+          python-version: 'pypy-3.10'
 
       - name: Install system libraries
         run: sudo apt install -y libunwind-dev libelf-dev libdwarf-dev rename

.github/workflows/tests.yml

@@ -18,7 +18,7 @@ jobs:
       matrix:
         # Test all supported versions on Ubuntu:
         os: [ubuntu-latest]
-        python: ["3.9", "3.10", "pypy-3.9"]
+        python: ["3.9", "3.10", "3.11", "pypy-3.10"]
         experimental: [false]
           # include:
           #   - os: macos-latest
@@ -28,13 +28,13 @@ jobs:
           #     python: "3.10"
           #     experimental: false
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4.2
     - name: Install libunwind
       run: |
         sudo apt install -y libunwind-dev
         pkg-config libunwind --cflags --libs-only-l
     - name: Set up Python ${{ matrix.python }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5.2
       with:
         python-version: ${{ matrix.python }}
     - name: Install