ci: Bump upload-artifact from v1 to v4 (#1309)

Author: volsa

.github/workflows/linux.yml

@@ -91,7 +91,7 @@ jobs:
           files: lcov.info
 
       - name: Archive code coverage results
-        uses: actions/upload-artifact@v1
+        uses: actions/upload-artifact@v4
         with:
           name: code-coverage-report
           path: lcov.info