Update changelog for 17.6.3

[ci skip]

CHANGELOG.md

@@ -30,6 +30,10 @@ No changes.
 - [Make gitlab-ctl commands exit 1 on non-existent services](gitlab-org/omnibus-gitlab@7f55ceba286b0e725ab1f551f5c03636e9053b27) ([merge request](gitlab-org/omnibus-gitlab!8037))
 - [Update bundled OpenSSL from 1.1.1 to 3.4.0](gitlab-org/omnibus-gitlab@8f76ff2cf1576b95f27cf744b16b0548cf5c624b) ([merge request](gitlab-org/omnibus-gitlab!8049))
+## 17.6.3 (2025-01-08)
+
+No changes.
+
 ## 17.6.2 (2024-12-10)
 No changes.