Merge pull request #5904 from dibarbet/update_roslyn

Update roslyn

Author: dibarbet

package.json

@@ -36,7 +36,7 @@
     }
   },
   "defaults": {
-    "roslyn": "4.7.0-3.23328.5",
+    "roslyn": "4.8.0-1.23357.10",
     "omniSharp": "1.39.7",
     "razor": "7.0.0-preview.23301.2"
   },