Fix up branches

.github/workflows/build-pelican.yml

@@ -1,17 +1,13 @@
 name: Build a Pelican Website
 on:
   push:
-    branches: [ "dfoulks/pelican_gha" ]
   workflow_dispatch:
 jobs:
   build-pelican:
     runs-on: ubuntu-latest
-    continue-on-error: true
     steps:
       - uses: actions/checkout@v4
-        with:
-          ref: 'dfoulks/pelican_gha'
       - uses: apache/infrastructure-actions/pelican@main
         with:
-          destination: 'dfoulks/gha-site'
+          destination: 'preview/sebb-gha-staging'
           gfm: 'true'