Add me to maintainers (#23026)

Add me to maintainers.

[My PRs
list](https://github.com/go-gitea/gitea/pulls?q=is%3Apr+author%3Ayp05327+is%3Amerged+)

Author: yp05327

MAINTAINERS

@@ -48,3 +48,4 @@ Xinyu Zhou <i@sourcehut.net> (@xin-u)
 Jason Song <i@wolfogre.com> (@wolfogre)
 Yarden Shoham <hrsi88@gmail.com> (@yardenshoham)
 Yu Tian <zettat123@gmail.com> (@Zettat123)
+Eddie Yang <576951401@qq.com> (@yp05327)