添加pr触发actions (#227)

.github/workflows/build.yml

@@ -3,6 +3,8 @@ name: Techmino CI
 on:
   push:
     branches: [ main, ci ]
+  pull_request:
+    branches: [ main, ci ]
 
 jobs:
   build-windows:
@@ -268,4 +270,4 @@ jobs:
       uses: actions/upload-artifact@v2
       with:
         name: Techmino_${{ env.Version }}_${{ GITHUB.RUN_NUMBER }}_${{ env.CommitID }}_macOS
-        path: Techmino.zip
+        path: Techmino.zip