more fixes

.github/workflows/ci.yml

@@ -23,19 +23,19 @@ jobs:
       uses: actions/setup-node@v4
       with:
         node-version: '18'
-        cache: 'npm'
+        cache: 'yarn'
 
     - name: Install dependencies
-      run: npm install
+      run: yarn install --frozen-lockfile
 
     - name: Run linter
-      run: npm run lint
+      run: yarn lint
 
     - name: Build project
-      run: npm run build
+      run: yarn build
 
     - name: Run validation
-      run: npm run validate
+      run: yarn validate
 
   build:
     name: Build Docker Image