API raise minor version for climate changes (#1947)

esphome/components/api/api_connection.cpp

@@ -615,7 +615,7 @@ HelloResponse APIConnection::hello(const HelloRequest &msg) {
 
   HelloResponse resp;
   resp.api_version_major = 1;
-  resp.api_version_minor = 4;
+  resp.api_version_minor = 5;
   resp.server_info = App.get_name() + " (esphome v" ESPHOME_VERSION ")";
   this->connection_state_ = ConnectionState::CONNECTED;
   return resp;