MMA-8188 Legg til action for automatisk bygging (ikke image push) av dependabot branches

Author: ctumyr

.github/workflows/build-dependabot-branch.yml

@@ -0,0 +1,16 @@
+name: Build Dependabot PR branch
+on:
+  push:
+    branches:
+      - 'dependabot/**'
+
+permissions:
+  contents: read
+  packages: write
+  id-token: write
+
+jobs:
+  build:
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    uses: navikt/dok-workflows/.github/workflows/build-app-gar.yml@main
+    secrets: inherit