Fix deprecated action

Author: pvannierop

.github/workflows/scheduled-snyk.yaml

@@ -8,12 +8,15 @@ on:
 jobs:
   security:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      security-events: write
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Run Snyk to check for vulnerabilities
-        uses: snyk/actions/gradle-jdk17@master
+        uses: snyk/actions/gradle-8-jdk17@master
         continue-on-error: true # To make sure that SARIF upload gets called
         env:
           SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}