dashboard: fix commits CSS

public/css/gogs.css

@@ -2914,7 +2914,7 @@ footer .ui.language .menu {
   margin-bottom: -2px;
 }
 .feeds .news .push.news .content ul .text.truncate {
-  width: 80%;
+  width: 60%;
   margin-bottom: -5px;
 }
 .feeds .news .commit-id {

public/less/_dashboard.less

@@ -78,7 +78,7 @@
 				margin-bottom: -2px;
 			}
 			.text.truncate {
-				width: 80%;
+				width: 60%;
 				margin-bottom: -5px;
 			}
 		}