fix: cypress 캐시 관련 오류 해결

Author: six-standard

.github/workflows/process-e2e.yaml

@@ -24,6 +24,7 @@ jobs:
         run: |
           npm install -g pnpm
           pnpm install --frozen-lockfile
+          pnpm run cypress install
 
       - name: Create .env file for Testing
         run: |