ci: use completed

jcs090218 · jcs090218 · commit a048d1be62ec · 2022-04-21T00:46:32.000+08:00
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -1,6 +1,10 @@
 name: 'Build'
 
 on:
+  workflow_run:
+    workflows: ["CI"]
+    types:
+      - completed
   pull_request:
   push:
     paths-ignore:
