fix(config_list): Add JSON output

What has been done

This MR contains two commits:

[feat(config_list): Add JSON output] : Adds JSON output to command ggshield config list
[fix(api-status): Update JSON output] : Updates JSON output for command ggshield api-status to include the instance which is checked. (This info is present in the text output).

Also, some stages name for pre-commit have been changed.

PR check list

[x] As much as possible, the changes include tests (unit and/or functional)
[x] If the changes affect the end user (new feature, behavior change, bug fix) then the PR has a changelog entry (see doc/dev/getting-started.md). If the changes do not affect the end user, then the skip-changelog label has been added to the PR.

Codecov Report

Attention: Patch coverage is 98.27586% with 1 line in your changes missing coverage. Please review.

Project coverage is 91.92%. Comparing base (77fa6a9) to head (def57dd). Report is 20 commits behind head on main.

Files with missing lines	Patch %	Lines
ggshield/cmd/status.py	83.33%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #994 +/- ## ======================================= Coverage 91.91% 91.92% ======================================= Files 181 181 Lines 7593 7625 +32 ======================================= + Hits 6979 7009 +30 - Misses 614 616 +2 ``` | [Flag](https://app.codecov.io/gh/GitGuardian/ggshield/pull/994/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=GitGuardian) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/GitGuardian/ggshield/pull/994/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=GitGuardian) | `91.92% <98.27%> (+<0.01%)` | :arrow_up: | 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=GitGuardian#carryforward-flags-in-the-pull-request-comment) to find out more.

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