Merge branch 'docs/translate_protocols' into 'master'

docs: Provide CN translation for protocols.rst

Closes DOC-8439

See merge request espressif/esp-idf!32257

docs/en/migration-guides/release-5.x/5.3/protocols.rst

@@ -4,7 +4,7 @@ Protocols
 :link_to_translation:`zh_CN:[中文]`
 
 ESP HTTPS OTA
---------------
+-------------
 
 Breaking Changes (Summary)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~

docs/zh_CN/migration-guides/release-5.x/5.3/protocols.rst

@@ -1 +1,12 @@
-.. include:: ../../../../en/migration-guides/release-5.x/5.3/protocols.rst
+协议
+====
+
+:link_to_translation:`en:[English]`
+
+ESP HTTPS OTA
+-------------
+
+重大变更（摘要）
+~~~~~~~~~~~~~~~~
+
+- 若 HTTP 标头中包含了镜像大小，并且 :cpp:member:`esp_https_ota_config_t::bulk_flash_erase` 已设置为 true，那么 flash 不会被整个擦除，而是将根据镜像大小进行擦除操作。