[gtk] Fix up tests for version bump

[Matthias Clasen <matthiasc src gnome org>]

commit c5f92340ee173b3c112096ab760027f1e5c2f01e
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Feb 23 14:29:48 2022 -0500

    Fix up tests for version bump

 testsuite/tools/validate-data/invalid5.expected | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/testsuite/tools/validate-data/invalid5.expected b/testsuite/tools/validate-data/invalid5.expected
index e9d2c561ae..33983ee94a 100644
--- a/testsuite/tools/validate-data/invalid5.expected
+++ b/testsuite/tools/validate-data/invalid5.expected
@@ -1 +1 @@
-invalid5.ui:3:1 Required GTK version 5.10, current version is 4.6
+invalid5.ui:3:1 Required GTK version 5.10, current version is 4.7