Update to 9.24.3

re: https://github.com/gchq/CyberChef/releases/tag/v9.24.3

Changelog;
SM3 hashing function added along with more configuration options for other hashing operations
Various RSA operations added to encrypt, decrypt, sign, verify and generate keys
'Unicode Text Format' operation added.
Multiple bug fixes and improvements

PR: 253324
Submitted by: thomas@bsdunix.ch