chore: fix CI use latest version for artifact upload

Author: kdihalas

.github/workflows/ci.yml

@@ -51,7 +51,7 @@ jobs:
       - name: Coverage summary
         run: go tool cover -func=coverage.out | tail -1 >> $GITHUB_STEP_SUMMARY
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         with:
           name: coverage-report-${{ matrix.go-version }}
           path: coverage.out