chore(deps): update actions/upload-artifact action to v4.6.0

Author: renovate[bot]

.github/workflows/checks.yml

@@ -60,7 +60,7 @@ jobs:
         if: matrix.os == 'ubuntu-latest'
 
       - name: Store coverage report
-        uses: actions/upload-artifact@v4.5.0
+        uses: actions/upload-artifact@v4.6.0
         if: matrix.os == 'ubuntu-latest'
         with:
           name: coverage-${{ matrix.python }}
@@ -142,7 +142,7 @@ jobs:
           .venv/bin/python -m coverage report --fail-under=100          
 
       - name: Upload HTML report if check failed.
-        uses: actions/upload-artifact@v4.5.0
+        uses: actions/upload-artifact@v4.6.0
         with:
           name: html-report
           path: htmlcov