rebar: Fix inet_tcp_proxy_dist application name

I have also pushed a commit to the inet_tcp_proxy repo adding a
.app.src file, fixing the Ra rebar build in the test profile.

rebar.config

@@ -12,7 +12,7 @@
                   {looking_glass,
                    {git, "https://github.com/rabbitmq/looking_glass",
                     {branch, "main"}}},
-                  {inet_tcp_proxy,
+                  {inet_tcp_proxy_dist,
                    {git, "https://github.com/rabbitmq/inet_tcp_proxy",
                     {branch, "master"}}}
                  ]}]}