feat: add `--root-certificate-path` option for mobile dev (#13358)

* feat: add `--root-certificate-path` option for mobile dev

lets you use a HTTPS development server

example usage:
```
cargo install tauri-cli --git https://github.com/tauri-apps/tauri --branch feat/mobile-dev-cert
cargo tauri android dev --open --root-certificate-path "/Users/lucas/Library/Application Support/mkcert/rootCA.pem" --features tauri/rustls-tls
```

* Apply suggestions from code review

Co-authored-by: Fabian-Lars <github@fabianlars.de>

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Co-authored-by: Fabian-Lars <github@fabianlars.de>