feat: Add Snyk security scanning (#11285)

Author: stocaaro

.github/workflows/snyk-security.yml

@@ -0,0 +1,36 @@
+name: 'Snyk Security'
+
+on:
+  push:
+    branches: ["release"]
+  schedule:
+    - cron: '0 0 * * *' # run daily at midnight GMT
+
+permissions:
+  contents: read
+
+jobs:
+  snyk:
+    if: github.repository == 'aws-amplify/amplify-js'
+    permissions:
+      contents: read # for actions/checkout to fetch code
+      security-events: write # for github/codeql-action/upload-sarif to upload SARIF results
+      actions: read # only required for a private repository by github/codeql-action/upload-sarif to get the Action run status
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Snyk CLI to check for security issues
+        uses: snyk/actions/setup@806182742461562b67788a64410098c9d9b96adb
+      - name: Build
+        run: yarn install || true
+        # Using `|| true` to not fail the pipeline
+      - name: Snyk test
+        env:
+          SNYK_TOKEN: ${{secrets.SNYK_TOKEN}}
+        run: snyk test --sarif | tee snyk-code.sarif # || true
+
+      # Push the Snyk Code results into GitHub Code Scanning tab
+      - name: Upload result to GitHub Code Scanning
+        uses: github/codeql-action/upload-sarif@v2
+        with:
+          sarif_file: snyk-code.sarif