chore: PRがdraft時にはCIを実行しないように

.github/workflows/pull-request-merge-check.yml

@@ -4,6 +4,11 @@ on:
   pull_request:
     branches:
       - "develop"
+    types:
+      - opened # default
+      - reopened # default
+      - synchronize # default
+      - ready_for_review # 必要
 
 
 permissions:
@@ -15,6 +20,7 @@ permissions:
 jobs:
   setup:
     name: Setup
+    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
       - name: Checkout