chore(main): release 5.0.0-21

[mo-auto]

🤖 I have created a release beep boop

5.0.0-21 (2023-12-18)

Features

• add support for custom scripts in flex (#1494) (591eca2)
• admin-ui: add config api spec file (344035e)
• admin-ui: the algorithm to secure the JWT for a particular introspection response #1409 (67f1e40)
• docker-admin-ui: replace jwt token with reference token to access config-api (#1470) (f75ce0f)

Bug Fixes

• admin-ui: auth server properties page crashes on visit #1506 (b58ae74)
• admin-ui: code smells (3861710)
• admin-ui: code smells (5c2d228)
• admin-ui: need to change the font color for Enabled header in the scripts grid #1472 (3fcc963)
• admin-ui: recover adminuitest script (a11be8a)
• admin-ui: remove generation of specific access_token #1477 (b927d1a)
• admin-ui: remove unused import (d06bdcf)
• admin-ui: target html tag for table colum styles #1472 (3efaa21)
• admin-ui: unable to generate valid jans-config-api client using kc plugin specs #1504 (f06233f)
• admin-ui: unable to launch admin-ui #1493 (949f2be)
• admin-ui: use yaml configs for auth server properties configuration #1475 (79efbfc)
• cn script duplicate input number removal (#1489) (24b2860)
• command to External/LB IP (#1488) (563fda7)
• docs: add clarity about SSA and license (#1485) (4c51269)
• flex-linux-setup: stop jans-auth and config-api before building admin-ui (7081ffe)
• prepare for 5.0.0-21 release (cee44ca)

---

This PR was generated with Release Please. See documentation.

[mo-auto]

🤖 Release is at https://github.com/GluuFederation/flex/releases/tag/v5.0.0-21 🌻