ci: minor fixes

.gitlab-ci.yml

@@ -182,7 +182,7 @@ doc:
     - meson build_doc -Ddoc=enabled
     - ninja -C build_doc doc
   artifacts:
-    expire_in: 1 hour
+    expire_in: 6 hour
     paths:
       - doc/html
 
@@ -491,6 +491,7 @@ obs:odvr:
     variables:
       - $OBS_REPO =~ /^knot-resolver-devel|knot-dns-devel|knot-resolver-testing$/
       - $CI_COMMIT_TAG
+  dependencies: []
   variables:
     OBS_REPO: knot-resolver-latest
   when: delayed