Update Rust crate once_cell to 1.14.0 (#1533)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [once_cell](https://github.com/matklad/once_cell) | dependencies | minor | `1.13.1` -> `1.14.0` |

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### Release Notes

<details>
<summary>matklad/once_cell</summary>

### [`v1.14.0`](https://github.com/matklad/once_cell/blob/HEAD/CHANGELOG.md#&#8203;1140)

[Compare Source](matklad/once_cell@v1.13.1...v1.14.0)

-   Add extension to `unsync` and `sync` `Lazy` mut API:
    -   `force_mut`
    -   `get_mut`

</details>

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### Configuration

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Co-authored-by: cabr2-bot <cabr2.help@gmail.com>
Reviewed-on: https://codeberg.org/Calciumdibromid/CaBr2/pulls/1533
Reviewed-by: crapStone <crapstone@noreply.codeberg.org>
Co-authored-by: Calciumdibromid Bot <cabr2_bot@noreply.codeberg.org>
Co-committed-by: Calciumdibromid Bot <cabr2_bot@noreply.codeberg.org>

webserver/Cargo.toml

@@ -24,7 +24,7 @@ types = { path = "../crates/types/" }
 uuid = { version = "1.1.2", features = ["serde", "v4"] }
 warp = "0.3.2"
 structopt = "0.3.26"
-once_cell = "1.13.1"
+once_cell = "1.14.0"
 
 [features]
 portable = [ "config/portable" ]