github: bump Python and Ruby versions

Bump the maximum Python version to 3.12 and the maximum Ruby version to
3.3 in the GitHub CI.

Also bump the setup-python action to v5.

Since Python 3.12 dropped setuptools, install manually.

Signed-off-by: Christian Göttsche <cgzones@googlemail.com>

.github/workflows/run_tests.yml

@@ -10,36 +10,39 @@ jobs:
       matrix:
         compiler: [gcc, clang]
         python-ruby-version:
-          - {python: '3.11', ruby: '3.1'}
-          - {python: '3.11', ruby: '3.1', other: 'test-flags-override'}
-          - {python: '3.11', ruby: '3.1', other: 'test-debug'}
-          - {python: '3.11', ruby: '3.1', other: 'linker-bfd'}
-          - {python: '3.11', ruby: '3.1', other: 'linker-gold'}
+          - {python: '3.12', ruby: '3.3'}
+          - {python: '3.12', ruby: '3.3', other: 'test-flags-override'}
+          - {python: '3.12', ruby: '3.3', other: 'test-debug'}
+          - {python: '3.12', ruby: '3.3', other: 'linker-bfd'}
+          - {python: '3.12', ruby: '3.3', other: 'linker-gold'}
           # Test several Python versions with the latest Ruby version
-          - {python: '3.10', ruby: '3.1'}
-          - {python: '3.9', ruby: '3.1'}
-          - {python: '3.8', ruby: '3.1'}
-          - {python: '3.7', ruby: '3.1'}
-          - {python: 'pypy3.7', ruby: '3.1'}
+          - {python: '3.11', ruby: '3.3'}
+          - {python: '3.10', ruby: '3.3'}
+          - {python: '3.9', ruby: '3.3'}
+          - {python: '3.8', ruby: '3.3'}
+          - {python: '3.7', ruby: '3.3'}
+          - {python: 'pypy3.7', ruby: '3.3'}
           # Test several Ruby versions with the latest Python version
-          - {python: '3.11', ruby: '3.0'}
-          - {python: '3.11', ruby: '2.7'}
-          - {python: '3.11', ruby: '2.6'}
-          - {python: '3.11', ruby: '2.5'}
+          - {python: '3.12', ruby: '3.2'}
+          - {python: '3.12', ruby: '3.1'}
+          - {python: '3.12', ruby: '3.0'}
+          - {python: '3.12', ruby: '2.7'}
+          - {python: '3.12', ruby: '2.6'}
+          - {python: '3.12', ruby: '2.5'}
         exclude:
           - compiler: clang
-            python-ruby-version: {python: '3.11', ruby: '3.1', other: 'linker-bfd'}
+            python-ruby-version: {python: '3.12', ruby: '3.3', other: 'linker-bfd'}
           - compiler: clang
-            python-ruby-version: {python: '3.11', ruby: '3.1', other: 'linker-gold'}
+            python-ruby-version: {python: '3.12', ruby: '3.3', other: 'linker-gold'}
         include:
           - compiler: gcc
-            python-ruby-version: {python: '3.11', ruby: '3.1', other: 'sanitizers'}
+            python-ruby-version: {python: '3.12', ruby: '3.3', other: 'sanitizers'}
 
     steps:
     - uses: actions/checkout@v4
 
     - name: Set up Python ${{ matrix.python-ruby-version.python }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-ruby-version.python }}
 
@@ -69,6 +72,10 @@ jobs:
 
         pip install flake8
 
+    - name: Install Python setuptools
+      if: matrix.python-ruby-version.python == '3.12'
+      run: pip install setuptools
+
     - name: Install Clang
       if: ${{ matrix.compiler == 'clang' }}
       run: sudo apt-get install -qqy clang