[core:sys/darwin] expand CoreFoundation bindings

[samuelgozi]

Summary

• add CoreFoundation bindings for arrays, dictionaries, data, numbers, booleans, null, locales, attributed strings, and string tokenization
• add missing base ownership, type inspection, equality, and string creation APIs
• use typed collection callbacks and Apple ABI-compatible Boolean and CFNumber types

Testing

• odin check core/sys/darwin/CoreFoundation -no-entry-point -vet-style -vet-semicolon -warnings-as-errors
• compiled and ran a macOS smoke test covering string, data, number, array, dictionary, attributed string, locale, and tokenizer APIs