ci: add security audit check to workflow

Add yarn npm audit to CI pipeline to check for high severity
vulnerabilities in dependencies. Configured as non-blocking
to avoid disrupting development workflow.

Author: rafaelsilva29

.github/workflows/ci.yaml

@@ -57,3 +57,17 @@ jobs:
           cache: "yarn"
       - run: yarn install
       - run: yarn storybook:build
+
+  security:
+    name: Security Check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 20
+          cache: "yarn"
+      - run: yarn install
+      - name: Audit dependencies for high severity vulnerabilities
+        run: yarn npm audit --severity high
+        continue-on-error: true