chore: bump app versions + add changelog

Bump `emqx_plugin_libs` app version to 4.3.7.

apps/emqx_plugin_libs/src/emqx_plugin_libs.app.src

@@ -1,7 +1,7 @@
 %% -*- mode: erlang -*-
 {application, emqx_plugin_libs, [
     {description, "EMQX Plugin utility libs"},
-    {vsn, "4.3.6"},
+    {vsn, "4.3.7"},
     {modules, []},
     {applications, [kernel, stdlib]},
     {env, []}

changes/ee/fix-10095.en.md

@@ -0,0 +1,3 @@
+Stop MySQL client from bombarding server repeatedly with unnecessary `PREPARE` queries on every batch, trashing the server and exhausting its internal limits. This was happening when the MySQL bridge was in the batch mode.
+
+Ensure safer and more careful escaping of strings and binaries in batch insert queries when the MySQL bridge is in the batch mode.

changes/ee/fix-10095.zh.md

@@ -0,0 +1 @@
+优化 MySQL 桥接在批量模式下能更高效的使用预处理语句 ，减少了对 MySQL 服务器的查询压力， 并确保对 SQL 语句进行更安全和谨慎的转义。