docs: deploy GH docs only on official snakeoil, not forks.

Signed-off-by: Brian Harring <[email protected]>

.github/workflows/doc.yml

@@ -45,6 +45,7 @@ jobs:
         path: build/sphinx/html
 
   deploy:
+    if: github.repository == 'pkgcore/snakeoil'
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}