Add Snyk GitHub actions

.github/workflows/scheduled-snyk.yaml

@@ -0,0 +1,28 @@
+name: Snyk scheduled test
+on:
+  schedule:
+    - cron: '0 2 1 * *'
+  push:
+    branches:
+      - master
+
+jobs:
+  security:
+    runs-on: ubuntu-latest
+    env:
+      REPORT_FILE: test.json
+    steps:
+      - uses: actions/checkout@v3
+      - uses: snyk/actions/gradle-jdk17@master
+        name: Run Snyk to check for vulnerabilities
+        env:
+          SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
+        with: --all-projects --configuration-matching='^runtimeClasspath$' --fail-on=upgradable --json-file-output=${{ env.REPORT_FILE }}--org=radar-base --policy-path=$PWD/.snyk
+
+      - name: Report new vulnerabilities
+        uses: thehyve/report-vulnerability@master
+        if: success() || failure()
+        with:
+          report-file: ${{ env.REPORT_FILE }}
+        env:
+          TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/snyk.yaml

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+name: Snyk test
+on:
+  pull_request:
+    branches: [ master, dev ]
+jobs:
+  security:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: snyk/actions/gradle-jdk17@master
+        name: Run Snyk to check for vulnerabilities
+        env:
+          SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
+        with: --all-projects --configuration-matching='^runtimeClasspath$' --org=radar-base --policy-path=$PWD/.snyk

.snyk

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+# Snyk (https://snyk.io) policy file, patches or ignores known vulnerabilities.
+version: v1.25.0
+# ignores vulnerabilities until expiry date; change duration by modifying expiry date
+ignore:
+patch: {}