message: docs: fix case_sensitive type
diff: @@ -114,7 +114,7 @@ auto_host_rewrite
  .. _config_http_conn_man_route_table_route_case_sensitive:
  case_sensitive
  - *(optional, string)* Indicates that prefix/path matching should be case sensitive. The default
  + *(optional, boolean)* Indicates that prefix/path matching should be case sensitive. The default
  is true.
  .. _config_http_conn_man_route_table_route_timeout:
  