cicd: update auto tag name

.github/workflows/main.yml

@@ -9,7 +9,6 @@ on:
 
 permissions:
   contents: write
-  id-token: write
 
 # Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
 # However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
@@ -47,7 +46,7 @@ jobs:
       # 현재 날짜와 시간을 가져오기
       - name: Get current date and time
         id: date
-        run: echo "CURRENT_DATE=$(date -u +"%Y-%m-%dT%H:%M:%SZ")" >> $GITHUB_ENV
+        run: echo "CURRENT_DATE=$(date -u +"%Y%m%d_%H%M%S")" >> $GITHUB_ENV
 
       # 릴리즈 생성
       - name: Create Release