openssl dependency is included on macos regardless whether native-tls is enabled or not

[FabianLars]

Describe the bug
openssl is always a dependency on macos, there was someone on discord where cargo install tauri-cli failed because of openssl. This may be a bit tricky to fix because openssl types are part of the public api here (though as far as i can see only in functions not used by wry/tauri if we only care about that)

Steps To Reproduce
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Expected behavior
openssl should only be used with the native-tls flag. Otherwise it should use rust based alternatives

Screenshots
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Platform and Versions (please complete the following information):
Host OS: macos
Target OS: x
Rustc: 1.74
cargo mobile doctor: fails before being able to install it (assumption)

Would you want to assign yourself to resolve this bug?

• Yes
• No
• Maybe, if someone tells me what to do about the public apis 😅

Additional context
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