Fix: version-guard custom-properties AUTOTITLE link in data-not-migrated reusable (#60895)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: Kevin Heis <heiskr@users.noreply.github.com>
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Laura Coursen <lecoursen@github.com>

Author: 5 people

data/reusables/enterprise-migration-tool/data-not-migrated.md

@@ -19,7 +19,7 @@
 * Remediation states of {% data variables.product.prodname_secret_scanning %} results
 * Repositories owned by user accounts
 * Repository activity feed
-* Repository properties and custom properties (see [AUTOTITLE](/admin/managing-accounts-and-repositories/managing-organizations-in-your-enterprise/custom-properties))
+* Repository properties and custom properties (see [AUTOTITLE](/enterprise-cloud@latest/admin/managing-accounts-and-repositories/managing-organizations-in-your-enterprise/custom-properties))
 * Repository stars
 * Repository watchers
 * Rulesets