chore: update changes

apps/emqx_statsd/src/emqx_statsd.app.src

@@ -1,7 +1,7 @@
 %% -*- mode: erlang -*-
 {application, emqx_statsd, [
     {description, "EMQX Statsd"},
-    {vsn, "5.0.8"},
+    {vsn, "5.0.9"},
     {registered, []},
     {mod, {emqx_statsd_app, []}},
     {applications, [

changes/ce/feat-10457.en.md

@@ -0,0 +1,4 @@
+Deprecates the integration with StatsD.
+
+Since StatsD is not used a lot. So we will deprecate it in the next release
+and plan to remove it in 5.1