chore(deps): update actions/upload-artifact action to v6 (#1798)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/pr-tests.yml

@@ -63,7 +63,7 @@ jobs:
 
       - name: Archive coverage reports
         if: matrix.node-version == '22.x'
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: coverage-report
           path: coverage/