net/freerdp: update to 2.4.1

Noteworthy changes:

• Refactored RPC gateway parsing code
• OpenSSL 3.0 compatibility fixes
• USB redirection: fixed transfer lengths

Fixed issues:

• #7363: Length checks in ConvertUTF8toUTF16
• #7349: Added checks for bitmap width and heigth values

Important notes:

• CVE-2021-41159: Improper client input validation for gateway connections allows to overwrite memory
• CVE-2021-41160: Improper region checks in all clients allow out of bound write to memory

PR: 259386
(cherry picked from commit a698098ee923a4a9a41e0d34938b6a95633bf278)