update CI

Author: s0l0ist

.github/workflows/CI.yml

@@ -9,7 +9,8 @@ name: CI
 
 on:
   pull_request:
-
+  # allow manual triggers
+  workflow_dispatch: {}
 # Cancel in progress workflows on pull_requests.
 # https://docs.github.com/en/actions/using-jobs/using-concurrency#example-using-a-fallback-value
 concurrency: