Remove non-existent README_ZH.md from release workflow (#8170)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

.github/workflows/release.yml

@@ -90,7 +90,7 @@ jobs:
             BINARY_NAME="gogs.exe"
           fi
           cp "$BINARY_NAME" dist/gogs/
-          cp LICENSE README.md README_ZH.md dist/gogs/
+          cp LICENSE README.md dist/gogs/
           cp -r scripts dist/gogs/
       - name: Create archives
         working-directory: dist