Updating package_esp32_dev_index.json

Author: github-actions[bot]

package_esp32_dev_index.json

@@ -16,7 +16,7 @@
           "category": "ESP32",
           "url": "https://github.com/lucasssvaz/arduino-esp32/releases/download/9.9.9-RC1/esp32-9.9.9-RC1.zip",
           "archiveFileName": "esp32-9.9.9-RC1.zip",
-          "checksum": "SHA-256:0850953ad3a8ef5ec10696e1a17dbdf828c6120a73b583f24d8f0507c9bcee55",
+          "checksum": "SHA-256:df92bb3ae21f4942cc5d9d34269086a8bae48d4956a27f0c2bbcc95e632bed62",
           "size": "27194128",
           "help": {
             "online": ""