Pkcs11Interop 5.3.0

• #253 - Added support for MacCatalyst in MAUI apps
• #254 - Allow automatic platform detection to be overridden
• #256 - Use PKCS11-MOCK 2.0.0
• #257 - Replaced AppVeyor with GitHub Actions
• #258 - Fixed throwing in CK_VERSION::ToString
• #259 - Removed Doxygen-generated documentation