runtime(typescript): update outdated syntax files

fixes: #14721
fixes: HerringtonDarkholme/yats.vim#277
closes: #14840

Signed-off-by: rhysd <lin90162@yahoo.co.jp>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/.github/MAINTAINERS b/.github/MAINTAINERS
index 999bec7..fd80c53 100644
--- a/.github/MAINTAINERS
+++ b/.github/MAINTAINERS
@@ -516,9 +516,9 @@
 runtime/syntax/tt2.vim			@petdance
 runtime/syntax/tt2html.vim		@petdance
 runtime/syntax/tt2js.vim		@petdance
-runtime/syntax/typescript.vim		@HerringtonDarkholme
-runtime/syntax/typescriptcommon.vim	@HerringtonDarkholme
-runtime/syntax/typescriptreact.vim	@HerringtonDarkholme
+runtime/syntax/typescript.vim		@HerringtonDarkholme @rhysd
+runtime/syntax/typescriptreact.vim	@HerringtonDarkholme @rhysd
+runtime/syntax/shared/typescriptcommon.vim	@HerringtonDarkholme @rhysd
 runtime/syntax/unison.vim		@chuwy
 runtime/syntax/vdf.vim			@ObserverOfTime
 runtime/syntax/vroom.vim		@dbarnett