Merge branch 'fix/lwip_rename_task_docs' into 'master'

[lwip]: Mention lwip task name change in migration-docs

See merge request espressif/esp-idf!42346

Author: suda-morris

docs/en/migration-guides/release-6.x/6.0/networking.rst

@@ -162,3 +162,9 @@ This allows developers to:
 - replicate the old behavior (advertising the SoftAP IP),
 - provide custom DNS servers (for example, public resolvers), or
 - suppress DNS information entirely by setting the DNS server to ``0.0.0.0``.
+
+
+LWIP
+****
+
+The lwIP TCP/IP thread name has changed from "tiT" to "tcpip".

docs/zh_CN/migration-guides/release-6.x/6.0/networking.rst

@@ -162,3 +162,9 @@ DHCP 服务器 DNS 选项行为
 - 复现旧的行为（通告 SoftAP IP），
 - 提供自定义的 DNS 服务器（例如公共解析器），
 - 通过将 DNS 地址设置为 ``0.0.0.0`` 来完全禁止 DNS 信息通告。
+
+
+LWIP
+****
+
+lwIP TCP/IP 线程名称由 "tiT" 更改为 "tcpip"。