actions: Publish build/nmpolicy

The content is at subdir inside build

Signed-off-by: Quique Llorente <ellorent@redhat.com>

Author: qinqon

.github/workflows/publish.yaml

@@ -19,4 +19,4 @@ jobs:
       uses: JamesIves/github-pages-deploy-action@v4.2.2
       with:
         branch: gh-pages
-        folder: docs/build
+        folder: docs/build/nmpolicy