[gupnp] ci: Build correct doc target

[Jens Georg <jensgeorg src gnome org>]

commit 4b65d524065379ef8dc5503bae858e964b52978a
Author: Jens Georg <mail jensge org>
Date:   Sat Mar 12 17:40:13 2022 +0100

    ci: Build correct doc target

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 39ac08a..541be3f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -195,7 +195,7 @@ pages:
   stage: website
   script:
       - meson doc-build -Dgtk_doc=true
-      - ninja -C doc-build gupnp-doc
+      - ninja -C doc-build doc/GUPnP
       - mkdir -p public
       - mv doc-build/doc/html public/docs
   artifacts: