ci: bump CI deps

Author: o-murphy

.github/workflows/coverage.yml

@@ -35,7 +35,7 @@ jobs:
 #      run: coverage-badge -o coverage.svg
 #
 #    - name: Upload coverage badge
-#      uses: actions/upload-artifact@v4
+#      uses: actions/upload-artifact@v6
 #      with:
 #        name: coverage.svg
 #        path: coverage.svg

.github/workflows/pypi-publish.yml

@@ -68,7 +68,7 @@ jobs:
           github-token: ${{ github.token }}
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.12"
 
@@ -91,7 +91,7 @@ jobs:
         shell: bash
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: dist-${{ matrix.os }}
           path: ./dist
@@ -122,7 +122,7 @@ jobs:
         shell: bash
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: dist
           path: ./dist

.github/workflows/pytest-reusable.yml

@@ -77,7 +77,7 @@ jobs:
         continue-on-error: true
 
       - name: Upload Valgrind log artifact 📤
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: ${{ always() && inputs.stress_test == true && startsWith(inputs.engine_name, 'cythonized_') }}
         with:
           name: valgrind-stress-test-log-${{ inputs.os }}-py${{ inputs.python_version }}-${{ inputs.engine_name }}
@@ -107,7 +107,7 @@ jobs:
 
       - name: Upload build artifacts 📤
         if: success() && inputs.build_wheels == true
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: dist-${{ inputs.os }}-py${{ inputs.python_version }}
           path: dist/