Remove `chai-as-promised`

[ludovicm67]

chai-as-promised was not updated for 7 years.

Removing it allows us to upgrade chai to v5.

chai-as-promised was only used to test is a promise was resolving or rejecting ; I added two functions that takes care of those checks instead.

[changeset-bot[bot]]

⚠️ No Changeset found

Latest commit: cd9db03494c921656790eedfc02fdb5a89ce1dab

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 41.00%. Comparing base (7e26710) to head (cd9db03).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #350 +/- ## ======================================= Coverage 41.00% 41.00% ======================================= Files 47 47 Lines 3131 3131 ======================================= Hits 1284 1284 Misses 1847 1847 ``` | [Flag](https://app.codecov.io/gh/zazuko/trifid/pull/350/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=zazuko) | Coverage Δ | | |---|---|---| | [ckan](https://app.codecov.io/gh/zazuko/trifid/pull/350/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=zazuko) | `97.75% <ø> (ø)` | | | [core](https://app.codecov.io/gh/zazuko/trifid/pull/350/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=zazuko) | `21.23% <ø> (ø)` | | | [entity-renderer](https://app.codecov.io/gh/zazuko/trifid/pull/350/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=zazuko) | `54.92% <ø> (ø)` | | | [graph-explorer](https://app.codecov.io/gh/zazuko/trifid/pull/350/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=zazuko) | `0.00% <ø> (ø)` | | | [handler-fetch](https://app.codecov.io/gh/zazuko/trifid/pull/350/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=zazuko) | `49.49% <ø> (ø)` | | | [iiif](https://app.codecov.io/gh/zazuko/trifid/pull/350/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=zazuko) | `44.05% <ø> (ø)` | | | [markdown-content](https://app.codecov.io/gh/zazuko/trifid/pull/350/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=zazuko) | `95.65% <ø> (ø)` | | | [yasgui](https://app.codecov.io/gh/zazuko/trifid/pull/350/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=zazuko) | `0.00% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=zazuko#carryforward-flags-in-the-pull-request-comment) to find out more.

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