Add .env file in correct working directory

Author: RSO

.github/workflows/cli-integration-tests.yml

@@ -36,6 +36,7 @@ jobs:
               run: pnpm install
             - name: Create .env file
               run: echo "KILOCODE_POSTHOG_API_KEY=${{ secrets.POSTHOG_API_KEY }}" >> .env
+              working-directory: cli
             - name: Build CLI
               run: pnpm run cli:bundle
               shell: bash