Add @chenrui333 as maintainer (#26917)

relates to https://gitea.com/gitea/homebrew-gitea/pulls/179

Signed-off-by: Rui Chen <rui@chenrui.dev>

Author: chenrui333

MAINTAINERS

@@ -55,3 +55,4 @@ Philip Peterson <philip.c.peterson@gmail.com> (@philip-peterson)
 Denys Konovalov <kontakt@denyskon.de> (@denyskon)
 Punit Inani <punitinani1@gmail.com> (@puni9869)
 CaiCandong  <1290147055@qq.com> (@caicandong)
+Rui Chen  <rui@chenrui.dev> (@chenrui333)