Upgrade GitHub Actions to latest versions

Author: N-Coder

.github/workflows/wheels.yml

@@ -14,22 +14,22 @@ jobs:
       MACOSX_DEPLOYMENT_TARGET: "10.14" # https://cibuildwheel.pypa.io/en/stable/cpp_standards/#macos-and-deployment-target-versions
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: 'recursive'
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.x'
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v3.0.1
+        uses: pypa/cibuildwheel@v3.4
         with:
           package-dir: ./
           output-dir: ./wheelhouse
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v6
         if: always()
         with:
           name: wheels-${{ matrix.os }}
@@ -41,12 +41,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: 'recursive'
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.x'
 
@@ -71,7 +71,7 @@ jobs:
         run: |
           python test_contents.py
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v6
         if: always()
         with:
           name: pkgs
@@ -87,10 +87,10 @@ jobs:
         os: [ ubuntu-latest, macos-14, macos-15-intel, windows-latest ]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.x'
 
@@ -147,7 +147,7 @@ jobs:
         env:
           OGDF_PYTHON_MODE: debug
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v6
         if: always()
         with:
           name: svgs-${{ matrix.os }}