fix(deps): update rust crate rcgen to 0.11 (#21)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [rcgen](https://togithub.com/est31/rcgen) | dependencies | minor |
`0.10` -> `0.11` |

---

### Release Notes

<details>
<summary>est31/rcgen</summary>

###
[`v0.11.0`](https://togithub.com/est31/rcgen/blob/HEAD/CHANGELOG.md#Release-0110---June-15-2023)

[Compare
Source](https://togithub.com/est31/rcgen/compare/v0.10.0...v0.11.0)

- Parse IP-address subject alternative names. Contributed by
[iamjpotts](https://togithub.com/iamjpotts).
- Emit platform-apropriate line endings. Contributed by
[frjonsen](https://togithub.com/frjonsen).
- Support larger serial numbers. Contributed by
[andrenth](https://togithub.com/andrenth).
- Parse more certificate parameters. Contributed by
[andrenth](https://togithub.com/andrenth).
- Output `SanType::IpAddress` when calling `CertificateParams::new` or
`generate_simple_self_signed`. Contributed by
[rukai](https://togithub.com/rukai).
- Update pem to 2.0. Contributed by
[koushiro](https://togithub.com/koushiro).

</details>

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Cargo.toml

@@ -34,7 +34,7 @@ hyper = { version = "0.14", features = ["server", "tcp"], optional = true }
 once_cell = { version = "1", features = ["parking_lot"] }
 openssl = "0.10"
 parking_lot = "0.12"
-rcgen = { version = "0.10", default-features = false, optional = true }
+rcgen = { version = "0.11", default-features = false, optional = true }
 reqwest = { version = "0.11", default-features = false, features = ["json", "native-tls"] }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"