Switch to static redirect_facility

The docs are hosted on GitHub Pages, and the httpd facility will not have any effect there. Static should hopefully work, however.

See gh-5152

Author: shakuzen

Diff for: antora-playbook.yml

@@ -38,7 +38,7 @@ asciidoc:
 urls:
   latest_version_segment_strategy: redirect:to
   latest_version_segment: ''
-  redirect_facility: httpd
+  redirect_facility: static
 runtime:
   log:
     failure_level: warn