switch back to actions for flake update

.github/workflows/flake-updates.yml

@@ -0,0 +1,25 @@
+name: "Update flakes"
+on:
+  repository_dispatch:
+  workflow_dispatch:
+  schedule:
+    - cron: "51 2 * * 1,4"
+jobs:
+  createPullRequest:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Nix
+        uses: cachix/install-nix-action@v23
+        with:
+          extra_nix_config: |
+            experimental-features = nix-command flakes
+      - name: Update flake.lock
+        id: update
+        uses: DeterminateSystems/update-flake-lock@v20
+        with:
+          token: ${{ secrets.GH_TOKEN_FOR_UPDATES }}
+      - name: Enable Automerge
+        run: gh pr merge --rebase --auto "${{ steps.update.outputs.pull-request-number }}"
+        env:
+          GH_TOKEN: ${{ secrets.GH_TOKEN_FOR_UPDATES }}

flake.nix

@@ -53,16 +53,6 @@
 
         herculesCI.ciSystems = [ "x86_64-linux" "aarch64-linux" ];
 
-        hercules-ci.flake-update = {
-          enable = true;
-          createPullRequest = true;
-          autoMergeMethod = "rebase";
-          when = {
-            hour = [ 2 ];
-            dayOfWeek = [ "Mon" "Thu" ];
-          };
-        };
-
         imports = [
           inputs.hercules-ci-effects.flakeModule
           inputs.treefmt-nix.flakeModule