ci: yarn 캐시 경로 및 의존성 설치 명령어 수정

- yarn 캐시 경로에 추가 디렉토리 포함
- yarn install 명령어에서 --immutable 옵션을 --no-immutable로 변경하여 설치 방식 개선

Author: Cllaude99

.github/workflows/ci.yml

@@ -30,15 +30,21 @@ jobs:
 
       - name: Cache yarn dependencies
         uses: actions/cache@v4
+        id: yarn-cache
         with:
-          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-          key: yarn-cache-${{ hashFiles('**/yarn.lock') }}
+          path: |
+            ${{ steps.yarn-cache-dir-path.outputs.dir }}
+            .yarn/cache
+            .yarn/unplugged
+            .yarn/build-state.yml
+            .yarn/install-state.gz
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
           restore-keys: |
-            yarn-cache-
+            ${{ runner.os }}-yarn-
 
       - name: Install Dependencies
         run: |
-          yarn install --immutable --inline-builds
+          yarn install --no-immutable
 
       - name: Build shared packages
         run: |