chore: fix app vsn bumps

only bug fixes so far

apps/emqx/src/emqx.app.src

@@ -2,7 +2,7 @@
 {application, emqx, [
     {id, "emqx"},
     {description, "EMQX Core"},
-    {vsn, "5.4.0"},
+    {vsn, "5.3.1"},
     {modules, []},
     {registered, []},
     {applications, [

apps/emqx_auth/src/emqx_auth.app.src

@@ -1,7 +1,7 @@
 %% -*- mode: erlang -*-
 {application, emqx_auth, [
     {description, "EMQX Authentication and authorization"},
-    {vsn, "0.4.0"},
+    {vsn, "0.3.1"},
     {modules, []},
     {registered, [emqx_auth_sup]},
     {applications, [

apps/emqx_management/src/emqx_management.app.src

@@ -2,7 +2,7 @@
 {application, emqx_management, [
     {description, "EMQX Management API and CLI"},
     % strict semver, bump manually!
-    {vsn, "5.3.0"},
+    {vsn, "5.2.1"},
     {modules, []},
     {registered, [emqx_management_sup]},
     {applications, [