update ci

.gitea/workflows/ipxe.yaml

@@ -1,11 +1,12 @@
 name: build ipxe
+runs-on: dynamis
 on:
+  push:
   schedule:
     - cron: '0 2 * * SUN'
 jobs:
   make-ipxe:
     name: make ipxe
-    runs-on: ubuntu-latest
     container: docker.io/alpine:edge
     steps:
       - name: install dependencies