Use the system trust store for HTTPS requests (astral-sh#1512)

Closes astral-sh#1474 

Using the `rustls-tls-native-roots` feature

> `rustls-tls`: Enables TLS functionality provided by rustls. Equivalent
to rustls-tls-webpki-roots.
>
> `rustls-tls-webpki-roots`: Enables TLS functionality provided by
rustls, while using root certificates from the webpki-roots crate.
>
> `rustls-tls-native-roots`: Enables TLS functionality provided by
rustls, while using root certificates from the rustls-native-certs
crate.

Additional context:

- seanmonstar/reqwest#1554
- encode/httpx#302
- [Should I use the native certs or
webpki-roots?](https://github.com/rustls/rustls-native-certs#should-i-use-this-or-webpki-roots)

Prior discussion at astral-sh#609

Cargo.toml

@@ -73,7 +73,7 @@ rand = { version = "0.8.5" }
 rayon = { version = "1.8.0" }
 reflink-copy = { version = "0.1.14" }
 regex = { version = "1.10.2" }
-reqwest = { version = "0.11.23", default-features = false, features = ["json", "gzip", "brotli", "stream", "rustls-tls"] }
+reqwest = { version = "0.11.23", default-features = false, features = ["json", "gzip", "brotli", "stream", "rustls-tls-native-roots"] }
 reqwest-middleware = { version = "0.2.4" }
 reqwest-retry = { version = "0.3.0" }
 rkyv = { version = "0.7.43", features = ["strict", "validation"] }