[gssdp] ci: Add tag that we need ipv6 for the test

[Jens Georg <jensgeorg src gnome org>]

commit 0e7b8200c3091c66d4059d43d02f9b3aa21e4c0d
Author: Jens Georg <mail jensge org>
Date:   Tue Aug 16 11:08:31 2022 +0200

    ci: Add tag that we need ipv6 for the test

 .gitlab-ci.yml | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 69b1cb7..4b7fae0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -126,6 +126,8 @@ build-fedora@x86_64:
       junit: "build/meson-logs/testlog.junit.xml"
 
 test-fedora@x86_64:
+  tags:
+    - ipv6
   extends:
     - .fdo.distribution-image@fedora
     - .gssdp.fedora:36@x86_64