chore(deps): update dependency renovate to v36.21.0 (#859)

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Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [renovate](https://renovatebot.com)
([source](https://togithub.com/renovatebot/renovate)) | [`36.20.1` ->
`36.21.0`](https://renovatebot.com/diffs/npm/renovate/36.20.1/36.21.0) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/renovate/36.21.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/renovate/36.21.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/renovate/36.20.1/36.21.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/renovate/36.20.1/36.21.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>renovatebot/renovate (renovate)</summary>

###
[`v36.21.0`](https://togithub.com/renovatebot/renovate/releases/tag/36.21.0)

[Compare
Source](https://togithub.com/renovatebot/renovate/compare/36.20.1...36.21.0)

##### Features

- add hash util
([#&#8203;23524](https://togithub.com/renovatebot/renovate/issues/23524))
([1b93263](https://togithub.com/renovatebot/renovate/commit/1b93263118633aff625b45639c00f2dfcc12b9a3))

##### Documentation

- update references to renovate/renovate to v36.20.1
([#&#8203;23525](https://togithub.com/renovatebot/renovate/issues/23525))
([68e871e](https://togithub.com/renovatebot/renovate/commit/68e871e86f1617a6a3830f906bd4a9e6915fbae3))

##### Code Refactoring

- **rubygems:** Extract v1 API handling
([#&#8203;23474](https://togithub.com/renovatebot/renovate/issues/23474))
([0e2083e](https://togithub.com/renovatebot/renovate/commit/0e2083ee02217a58e3a07feb46876b5971c1991f))
- **rubygems:** Unify fetching via v1 API
([#&#8203;23517](https://togithub.com/renovatebot/renovate/issues/23517))
([3559cb3](https://togithub.com/renovatebot/renovate/commit/3559cb39801a35d82d2253cbbcd04bce2f871e76))

##### Tests

- **rubygems:** Simplify tests
([#&#8203;23521](https://togithub.com/renovatebot/renovate/issues/23521))
([285bed3](https://togithub.com/renovatebot/renovate/commit/285bed3e435e4c68e83b7ae14169a537064a34d8))

</details>

---

### Configuration

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---

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Renovate](https://www.mend.io/free-developer-tools/renovate/). View
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