build(deps): update axllent/mailpit to v1.22.0

This MR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [axllent/mailpit](https://github.com/axllent/mailpit) | minor | `v1.21.8` -> `v1.22.0` |

MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot).

**Proposed changes to behavior should be submitted there as MRs.**

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### Release Notes

<details>
<summary>axllent/mailpit (axllent/mailpit)</summary>

### [`v1.22.0`](https://github.com/axllent/mailpit/blob/HEAD/CHANGELOG.md#v1220)

[Compare Source](axllent/mailpit@v1.21.8...v1.22.0)

##### Feature

-   SMTP auto-forwarding option ([#&#8203;414](axllent/mailpit#414))
-   Option to override the From email address in SMTP relay configuration ([#&#8203;414](axllent/mailpit#414))
-   Add Chaos functionality to test integration handling of SMTP error responses ([#&#8203;402](axllent/mailpit#402), [#&#8203;110](axllent/mailpit#110), [#&#8203;144](axllent/mailpit#144) & [#&#8203;268](axllent/mailpit#268))

##### Chore

-   Update node dependencies
-   Update Go dependencies

##### Fix

-   Update command `npm run update-caniemail` save path ([#&#8203;422](axllent/mailpit#422))
-   Correct date formatting in TestMakeHeaders

</details>

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chezmoi/dot_config/aquaproj-aqua/aqua.yaml

@@ -268,7 +268,7 @@ packages:
 - name: yassinebridi/serpl@0.3.3
   description: A simple terminal UI for search and replace, ala VS Code
   link: https://github.com/yassinebridi/serpl
-- name: axllent/mailpit@v1.21.8
+- name: axllent/mailpit@v1.22.0
   description: An email and SMTP testing tool with API for developers
   link: https://github.com/axllent/mailpit
 - name: mrjackwills/oxker@v0.9.0