Update release_tag.yml

.github/workflows/release_tag.yml

@@ -1,21 +1,23 @@
 name: Release Tag
 
 #트리거 요소
-on: 
+on:
   pull_request:
     branches:
       - production
     types:
-      - closed
+      - merged
+    paths:
+      - 'release/**'
 
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
     - name: 버전 정보 추출
-      run: echo "##[set-output name=version;]$(echo '${{ github.event.head_commit.message }}' | egrep -o '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}')"
-      id: extract_version_name       
+      run: echo "##[set-output name=version;]$(echo '${{ github.ref }}' | egrep -o '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}')"
+      id: extract_version_name
     - name: Release 생성 
       uses: actions/create-release@v1
       env: