Update actions/upload-artifact digest to 6f51ac0

Author: renovate[bot]

.github/workflows/ci.yml

@@ -44,7 +44,7 @@ jobs:
           arguments: build --info
 
       - name: Publish Test Results
-        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4
+        uses: actions/upload-artifact@6f51ac03b9356f520e9adb1b1b7802705f340c2b # v4
         if: always()
         with:
           name: test-results