Improve CI

- Run generate-code.py on PR testing
- Run missing `npm ci` to install prettier

Author: tokuhirom

.github/workflows/test.yml

@@ -32,6 +32,8 @@ jobs:
         cache: 'npm'
     - name: Install Dependency
       run: npm ci
+    - run: |
+        python3 generate-code.py
     - name: Test Project
       run: npm test
     - name: Test building docs

.github/workflows/update-code.yml

@@ -29,6 +29,9 @@ jobs:
           java-version: 17
           architecture: x64
 
+      - name: Install Dependency
+        run: npm ci
+
       # Generate codes
       - run: |
           python3 generate-code.py