Enable automatic image updates

Author: eriksson-daniel

.github/workflows/image-version.yaml

@@ -0,0 +1,21 @@
+# https://sikkerhet.nav.no/docs/verktoy/chainguard-dockerimages/#automagisk-oppdatering-av-tags-p%C3%A5-github
+name: "Check for newer image versions"
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 0 * * *"
+
+jobs:
+  digest-update:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+      id-token: write
+    steps:
+      - uses: actions/checkout@v6
+      - uses: navikt/digestabot@v1.0
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          team: klage