ci: fix action trigerrer

Author: nim65s

.github/workflows/update-flake-lock.yml

@@ -3,7 +3,7 @@ name: update-flake-lock
 on:
   workflow_dispatch:
   schedule:
-    - cron: '0 1 3 * *'
+    - cron: '0 15 3 * *'
 
 jobs:
   lockfile:
@@ -15,3 +15,6 @@ jobs:
         uses: DeterminateSystems/nix-installer-action@main
       - name: Update flake.lock
         uses: DeterminateSystems/update-flake-lock@main
+        with:
+          pr-title: "Update flake.lock"
+          token: ${{ secrets.GH_TOKEN_FOR_UPDATES }}