Fix suite name

Signed-off-by: Lance Albertson <lance@osuosl.org>

.github/workflows/ci.yml

@@ -53,7 +53,7 @@ jobs:
           - 'opensuse-leap-15'
         suite:
           - 'default'
-          - 'gui_tools'
+          - 'gui-tools'
           - 'esl'
           - 'source'
         exclude: