Update Rust crate async-stripe to 0.39 (#17379)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [async-stripe](https://redirect.github.com/arlyon/async-stripe) |
workspace.dependencies | minor | `0.38` -> `0.39` |

---

### Release Notes

<details>
<summary>arlyon/async-stripe (async-stripe)</summary>

###
[`v0.39.1`](https://redirect.github.com/arlyon/async-stripe/blob/HEAD/CHANGELOG.md#0391-2024-09-03)

[Compare
Source](https://redirect.github.com/arlyon/async-stripe/compare/v0.39.0...v0.39.1)

##### Bug Fixes

- correct docs host and path for API references
([539836d](539836d019))

###
[`v0.39.0`](https://redirect.github.com/arlyon/async-stripe/blob/HEAD/CHANGELOG.md#0390-2024-08-31)

[Compare
Source](https://redirect.github.com/arlyon/async-stripe/compare/v0.38.1...v0.39.0)

##### Bug Fixes

- `post` -> `post_form`
([bc39260](bc3926039e))
- Move `promotion_code_ext` to `products` feature
([32435f3](32435f38c2))
- Re-export
([24f1782](24f17823b1))

##### Features

- Create promotion code
([0fde9eb](0fde9eb6bc))

####
[0.38.1](https://redirect.github.com/arlyon/async-stripe/compare/v0.38.0...v0.38.1)
(2024-08-06)

##### Bug Fixes

-
[#&#8203;578](https://redirect.github.com/arlyon/async-stripe/issues/578)
allow arbitrary strings for priceId
([a16bc6e](a16bc6e80c))

</details>

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---

Release Notes:

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Cargo.toml

@@ -469,7 +469,7 @@ which = "6.0.0"
 wit-component = "0.201"
 
 [workspace.dependencies.async-stripe]
-version = "0.38"
+version = "0.39"
 default-features = false
 features = [
     "runtime-tokio-hyper-rustls",