Fix function doc CI check

[alamb]

Which issue does this PR close?

Rationale for this change

CI is failing on main. For example see : https://github.com/apache/datafusion/actions/runs/19938148766/job/57168950868

diff --git a/docs/source/user-guide/sql/scalar_functions.md b/docs/source/user-guide/sql/scalar_functions.md
index fab6221..c5380b2 100644
--- a/docs/source/user-guide/sql/scalar_functions.md
+++ b/docs/source/user-guide/sql/scalar_functions.md
@@ -2125,7 +2125,7 @@ upper(str)
 
 ### `uuid`
 
-Returns [`UUID v4`](https://en.wikipedia.org/wiki/Universally_unique_identifier#Version_4_%28random%29) string value which is unique per row.
+Returns [`UUID v4`](<https://en.wikipedia.org/wiki/Universally_unique_identifier#Version_4_(random)>) string value which is unique per row.
 
 ```sql
 uuid()

The problem is that I updated the markdown in #19088 but not the original code in the function

What changes are included in this PR?

Fix the issue

Are these changes tested?

Yes by CI

Are there any user-facing changes?

I will also file a ticket to track this testing hole:

• Run config_docs CI check is not run on PRs to only change generated docs (resulting in CI failures) #19095

[mbutrovich]

Thanks @alamb

[alamb]

Thanks @alamb

Well, I also broke the CI 😢