ci : CI 파이프라인 명령어 수정

Author: seungw0o

.github/workflows/ci.yml

@@ -18,6 +18,12 @@ jobs:
           node-version: 18
           cache: yarn
 
+      - name: Enable Corepack
+        run: corepack enable
+
+      - name: Prepare Yarn version
+        run: corepack prepare [email protected] --activate
+
       - name: Install dependencies
         run: yarn install --frozen-lockfile