* [antlr4] update to 4.9.1
* update version
* [antlr4] fix utfcpp dependency issue
* fix version SHA to account for utfcpp patch
* [antlr4] Minimize patch
Co-authored-by: Jonliu1993 <13720414433@163.com>
Co-authored-by: Robert Schumacher <roschuma@microsoft.com>
