testing github actions

.github/dependabot.yml

@@ -0,0 +1,14 @@
+version: 2
+updates:
+- package-ecosystem: github-actions
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "04:00"
+  open-pull-requests-limit: 10
+  reviewers:
+  - Gerg-L
+  assignees:
+  - Gerg-L
+  labels:
+  - CI

.github/workflows/flake-update.yml

@@ -0,0 +1,21 @@
+name: flake-update
+on:
+  workflow_dispatch: # allows manual triggering
+  schedule:
+    - cron: '0 1 * * *' # runs daily at 01:00
+
+jobs:
+  lockfile:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3.5.3
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@v4
+      - name: Update flake.lock
+        uses: DeterminateSystems/update-flake-lock@v19
+        with:
+          pr-title: "Update flake.lock" # Title of PR to be created
+          pr-labels: |                  # Labels to be set on the PR
+            dependencies
+            automated