Updating package_esp32_dev_index_cn.json

Author: github-actions[bot]

package_esp32_dev_index_cn.json

@@ -16,7 +16,7 @@
           "category": "ESP32",
           "url": "https://dl.espressif.cn/github_assets/lucasssvaz/arduino-esp32/releases/download/9.9.9-RC1/esp32-9.9.9-RC1.zip",
           "archiveFileName": "esp32-9.9.9-RC1.zip",
-          "checksum": "SHA-256:69e4b0c3c76ba7e42e45a07c4295242e8cdbd8d635c7c38a1fa92d109f8af500",
+          "checksum": "SHA-256:04e5e2394b0d1a2854d58fc58be2824fa70f72f245dd0d5ca6db87f847bc4dbd",
           "size": "27194128",
           "help": {
             "online": ""