Use sudo to install mermaid cli

Author: kurotych

.circleci/config.yml

@@ -73,7 +73,7 @@ jobs:
       - run: curl --fail -X POST http://localhost:8080/png --data-binary @result.puml -o test.png
 
         # Mermaid
-      - run: npm install -g @mermaid-js/mermaid-cli
+      - run: sudo npm install -g @mermaid-js/mermaid-cli
       - run: sudo apt install chromium-bsu libnss3 libatk1.0-0 libatk-bridge2.0-0 libcups2 libxcomposite1 libxdamage1
 
       - run: ./target/release/sqlant $TEST_DATABASE_URL -o mermaid > input.mmd