in update workflow use PR action actually meant for gitea

Reviewed-on: Fediversity/Fediversity#436
Co-authored-by: Kiara Grouwstra <kiara@procolix.eu>
Co-committed-by: Kiara Grouwstra <kiara@procolix.eu>

.forgejo/workflows/update.yaml

@@ -15,8 +15,9 @@ jobs:
       - name: Update pins
         run: nix-shell --run "npins update"
       - name: Create PR
-        uses: peter-evans/create-pull-request@v7
+        uses: github.com/quentinlegot/gitea-create-pull-request@d1fd3e1f0c98ee7a009c035f9b7ad3f3bdc0f281
         with:
+          remote-instance-api-version: v1
           token: "${{ secrets.DEPLOY_KEY }}"
           branch: npins-update
           commit-message: "npins: update sources"

panel/nix/configuration.nix

@@ -202,11 +202,8 @@ in
       };
     };
 
-    users.users.${name} = {
-      # TODO[Niols]: change to system user or document why we specifically
-      # need a normal user.
-      isNormalUser = true;
-    };
+    # needed to place a config file with home-manager
+    users.users.${name}.isNormalUser = true;
 
     users.groups.${name} = { };
     systemd.services.${name} = {