Restore repo dispatch for twoslash-repros workflow (#60682)

Author: jakebailey

.github/workflows/twoslash-repros.yaml

@@ -3,6 +3,8 @@ name: Twoslash Code Sample Repros
 on:
   schedule:
     - cron: '0 8 * * *'
+  repository_dispatch:
+    types: [run-twoslash-repros]
   workflow_dispatch:
     inputs:
       issue: