Add pnpm setup and Node.js version to workflow

Author: Aravind-Kumar-cstk

.github/workflows/sca-scan.yml

@@ -7,6 +7,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@master
+      - uses: pnpm/action-setup@v2
+        with:
+          version: 7
+      - name: Use Node.js 18.x
+        uses: actions/setup-node@v3.7.0
+        with:
+          node-version: '18.x'
+          cache: 'pnpm'
+      - name: Install dependencies
+        run: pnpm install --no-frozen-lockfile
       - name: Run Snyk to check for vulnerabilities
         uses: snyk/actions/node@master
         env: