add snyk GH workflow

.github/workflows/snyk.yml

@@ -0,0 +1,47 @@
+name: Snyk
+
+on:
+  merge_group:
+  workflow_dispatch:
+  pull_request_target:
+    types:
+      - opened
+      - synchronize
+  push:
+    branches:
+      - master
+  schedule:
+    - cron: '30 0 1,15 * *'
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/master' }}
+
+jobs:
+  authorize:
+    name: Authorize
+    environment: ${{ github.actor != 'dependabot[bot]' && github.event_name == 'pull_request_target' && github.event.pull_request.head.repo.full_name != github.repository && 'external' || 'internal' }}
+    runs-on: ubuntu-latest
+    steps:
+      - run: true
+
+  check:
+    needs: authorize
+
+    name: Check for Vulnerabilities
+    runs-on: ubuntu-latest
+
+    steps:
+      - if: github.actor == 'dependabot[bot]' || github.event_name == 'merge_group'
+        run: exit 0 # Skip unnecessary test runs for dependabot and merge queues. Artifically flag as successful, as this is a required check for branch protection.
+
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha || github.ref }}
+
+      - uses: snyk/actions/gradle-jdk11@b98d498629f1c368650224d6d212bf7dfa89e4bf # pin@0.4.0
+        env:
+          SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}