[TASK] Add possibility to create random values in JavaScript

New `SecurityUtility. getRandomHexValue(20)` returns 20 hexadecimal
characters provided by the Web Crypto API.

see https://developer.mozilla.org/en-US/docs/Web/API/Web_Crypto_API

Resolves: #91809
Releases: master, 10.4
Change-Id: Iaee1c7641b34e1316fccd069808c519d1c3ba2ab
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/65046


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Benni Mack <benni@typo3.org>