chore: bump versions

apps/emqx_gateway/src/emqx_gateway.app.src

@@ -1,7 +1,7 @@
 %% -*- mode: erlang -*-
 {application, emqx_gateway, [
     {description, "The Gateway management application"},
-    {vsn, "0.1.20"},
+    {vsn, "0.1.21"},
     {registered, []},
     {mod, {emqx_gateway_app, []}},
     {applications, [kernel, stdlib, emqx, emqx_authn, emqx_ctl]},

apps/emqx_gateway_coap/src/emqx_gateway_coap.app.src

@@ -1,6 +1,6 @@
 {application, emqx_gateway_coap, [
     {description, "CoAP Gateway"},
-    {vsn, "0.1.1"},
+    {vsn, "0.1.2"},
     {registered, []},
     {applications, [kernel, stdlib, emqx, emqx_gateway]},
     {env, []},

apps/emqx_gateway_exproto/src/emqx_gateway_exproto.app.src

@@ -1,6 +1,6 @@
 {application, emqx_gateway_exproto, [
     {description, "ExProto Gateway"},
-    {vsn, "0.1.2"},
+    {vsn, "0.1.3"},
     {registered, []},
     {applications, [kernel, stdlib, grpc, emqx, emqx_gateway]},
     {env, []},