Set maturity to GAMMA modified ha_connect.cc

storage/connect/ha_connect.cc

@@ -6652,6 +6652,6 @@ maria_declare_plugin(connect)
   NULL,                                         /* status variables */
   connect_system_variables,                     /* system variables */
   "1.03.0007",                                  /* string version */
-  MariaDB_PLUGIN_MATURITY_BETA                  /* maturity */
+  MariaDB_PLUGIN_MATURITY_GAMMA                 /* maturity */
 }
 maria_declare_plugin_end;