chore(deps): update lycheeverse/lychee-action action to v2.6.0 (#3212)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[lycheeverse/lychee-action](https://redirect.github.com/lycheeverse/lychee-action)
| action | minor | `v2.5.0` -> `v2.6.0` |

---

### Release Notes

<details>
<summary>lycheeverse/lychee-action (lycheeverse/lychee-action)</summary>

###
[`v2.6.0`](https://redirect.github.com/lycheeverse/lychee-action/releases/tag/v2.6.0):
Version 2.6.0

[Compare
Source](https://redirect.github.com/lycheeverse/lychee-action/compare/v2.5.0...v2.6.0)

#### What's Changed

- Update lychee version to v0.20.0 by
[@&#8203;github-actions](https://redirect.github.com/github-actions)\[bot]
in[https://github.com/lycheeverse/lychee-action/pull/304](https://redirect.github.com/lycheeverse/lychee-action/pull/304)4
- Bump actions/checkout from 4 to 5 by
[@&#8203;dependabot](https://redirect.github.com/dependabot)\[bot]
in[https://github.com/lycheeverse/lychee-action/pull/303](https://redirect.github.com/lycheeverse/lychee-action/pull/303)3

**Full Changelog**:
https://github.com/lycheeverse/lychee-action/compare/v2...v2.6.0

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

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.github/workflows/housekeeping.yml

@@ -48,7 +48,7 @@ jobs:
 
       - name: Check Links
         id: lychee
-        uses: lycheeverse/lychee-action@v2.5.0
+        uses: lycheeverse/lychee-action@v2.6.0
         with:
           args: >-
             '**/*.md'