chore(deps): update dependency @adobe/fetch to v4.3.0 (#1540)

This PR contains the following updates:

| Package | Change |
[Age](https://docs.renovatebot.com/merge-confidence/) |
[Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [@adobe/fetch](https://redirect.github.com/adobe/fetch) | [`4.2.3` →
`4.3.0`](https://renovatebot.com/diffs/npm/@adobe%2ffetch/4.2.3/4.3.0) |
![age](https://developer.mend.io/api/mc/badges/age/npm/@adobe%2ffetch/4.3.0?slim=true)
|
![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/@adobe%2ffetch/4.2.3/4.3.0?slim=true)
|

---

### Release Notes

<details>
<summary>adobe/fetch (@&#8203;adobe/fetch)</summary>

###
[`v4.3.0`](https://redirect.github.com/adobe/fetch/blob/HEAD/CHANGELOG.md#430-2026-04-08)

[Compare
Source](https://redirect.github.com/adobe/fetch/compare/v4.2.3...v4.3.0)

##### Features

- serialize array body to JSON in Request and Response
([#&#8203;584](https://redirect.github.com/adobe/fetch/issues/584))
([d813aa5](https://redirect.github.com/adobe/fetch/commit/d813aa5bf3fd296b329cb96412f42e52dadc956a)),
closes [#&#8203;583](https://redirect.github.com/adobe/fetch/issues/583)

####
[4.2.3](https://redirect.github.com/adobe/fetch/compare/v4.2.2...v4.2.3)
(2025-09-15)

##### Bug Fixes

- **deps:** update external fixes
([#&#8203;540](https://redirect.github.com/adobe/fetch/issues/540))
([a956b16](https://redirect.github.com/adobe/fetch/commit/a956b1604ecb76b12637f95f11f9c582d7a8d050))

####
[4.2.2](https://redirect.github.com/adobe/fetch/compare/v4.2.1...v4.2.2)
(2025-05-19)

##### Bug Fixes

- **deps:** update external fixes
([#&#8203;525](https://redirect.github.com/adobe/fetch/issues/525))
([15c5a3c](https://redirect.github.com/adobe/fetch/commit/15c5a3c685586bfb1519ab7e0f105394b498b17b))

####
[4.2.1](https://redirect.github.com/adobe/fetch/compare/v4.2.0...v4.2.1)
(2025-05-10)

##### Bug Fixes

- **deps:** update external fixes
([#&#8203;523](https://redirect.github.com/adobe/fetch/issues/523))
([23a801e](https://redirect.github.com/adobe/fetch/commit/23a801e4fa3953356a650a9f2ee3713380295d91))

</details>

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