chore(deps): update dependency lychee to v0.21.0 (#1642)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [lychee](https://redirect.github.com/lycheeverse/lychee) | minor |
`0.20.1` -> `0.21.0` |

---

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---

### Release Notes

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

###
[`v0.21.0`](https://redirect.github.com/lycheeverse/lychee/releases/tag/lychee-v0.21.0)

[Compare
Source](https://redirect.github.com/lycheeverse/lychee/compare/lychee-v0.20.1...lychee-v0.21.0)

##### Added

- print warning if input source matches no files
([#&#8203;1865](https://redirect.github.com/lycheeverse/lychee/pull/1865))
- *(base-url)* \[**breaking**] disallow relative local base to avoid
confusion
([#&#8203;1857](https://redirect.github.com/lycheeverse/lychee/pull/1857))
- improve InvalidIndexFile error to mention index file names
([#&#8203;1859](https://redirect.github.com/lycheeverse/lychee/pull/1859))

##### Fixed

- move log level padding outside brackets
([#&#8203;1871](https://redirect.github.com/lycheeverse/lychee/pull/1871))
- do not reuse excluded status from cache
([#&#8203;1850](https://redirect.github.com/lycheeverse/lychee/pull/1850))
- fields missing from config.toml parsing logic
([#&#8203;1843](https://redirect.github.com/lycheeverse/lychee/pull/1843))

##### Other

- Bump the dependencies group across 1 directory with 15 updates
([#&#8203;1874](https://redirect.github.com/lycheeverse/lychee/pull/1874))
- Inline formatting arguments for anyhow macros as per new lint
- Man pages
([#&#8203;1858](https://redirect.github.com/lycheeverse/lychee/pull/1858))
- Add --default-extension argument to force file format
([#&#8203;1842](https://redirect.github.com/lycheeverse/lychee/pull/1842))
- Hard wrap help text for options
([#&#8203;1854](https://redirect.github.com/lycheeverse/lychee/pull/1854))
- Bump the dependencies group with 6 updates
([#&#8203;1855](https://redirect.github.com/lycheeverse/lychee/pull/1855))
- Add exhaustivity check for `fold_in!` macro
([#&#8203;1848](https://redirect.github.com/lycheeverse/lychee/pull/1848))
- Additional redirect reporting
([#&#8203;1853](https://redirect.github.com/lycheeverse/lychee/pull/1853))
- Redirect reporting
([#&#8203;1725](https://redirect.github.com/lycheeverse/lychee/pull/1725))
- Add WinGet installation instructions
([#&#8203;1849](https://redirect.github.com/lycheeverse/lychee/pull/1849))
- \[**breaking**] Use `ResolvedInputSource` downstream of `InputContent`
([#&#8203;1840](https://redirect.github.com/lycheeverse/lychee/pull/1840))
- Bump the dependencies group with 5 updates
([#&#8203;1845](https://redirect.github.com/lycheeverse/lychee/pull/1845))
- Implement `--files-from` Option
([#&#8203;1836](https://redirect.github.com/lycheeverse/lychee/pull/1836))
- Apply fallback extensions if directory links resolve to a dir
([#&#8203;1826](https://redirect.github.com/lycheeverse/lychee/pull/1826))
- Clarify `--base-url` and `--root-dir` and their interactions
([#&#8203;1787](https://redirect.github.com/lycheeverse/lychee/pull/1787))
- Add test for making sure URL inputs always get checked
([#&#8203;1824](https://redirect.github.com/lycheeverse/lychee/pull/1824))
- Add conda install to readme
([#&#8203;1822](https://redirect.github.com/lycheeverse/lychee/pull/1822))
- Bump the dependencies group with 3 updates
([#&#8203;1821](https://redirect.github.com/lycheeverse/lychee/pull/1821))
- Refactor error reporting
([#&#8203;1731](https://redirect.github.com/lycheeverse/lychee/pull/1731))

</details>

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mise.toml

@@ -2,7 +2,7 @@
 "go:github.com/gohugoio/hugo" = "v0.152.1"
 "go:github.com/grafana/oats" = "0.4.1"
 java = "temurin-25.0.0+36.0.LTS"
-lychee = "0.20.1"
+lychee = "0.21.0"
 protoc = "32.1"
 
 [tasks.ci]