Refactor repo-projects.ts (#32892)

- Remove jQuery
- Add types to all functions
- Tested all modified functionality

---------

Co-authored-by: Giteabot <teabot@gitea.io>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

web_src/css/features/projects.css

@@ -51,10 +51,6 @@
   color: inherit;
 }
 
-.project-column-title-label {
-  flex: 1;
-}
-
 .project-column > .cards {
   flex: 1;
   display: flex;