try rc build

.github/workflows/ci-docs.yml

@@ -2,6 +2,8 @@ name: CI - Docs build check
 
 on:
   pull_request:
+    branches-ignore:
+      - gh-pages
   push:
   workflow_dispatch:
 
@@ -37,6 +39,6 @@ jobs:
       - name: MkDocs build (strict default)
         run: |
           set -euo pipefail
-          # Default strict on if unset
+          # Default not strict on if unset
           export MKDOCS_STRICT="${MKDOCS_STRICT:-true}"
           tools/build.sh --config mkdocs/mkdocs.yml