chore(deps): update dependency supertest to v7

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
supertest	6.3.4 -> 7.0.0

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Release Notes

ladjs/supertest (supertest)

### [`v7.0.0`](https://togithub.com/ladjs/supertest/releases/tag/v7.0.0) [Compare Source](https://togithub.com/ladjs/supertest/compare/v6.3.4...v7.0.0) - Merge pull request [#​834](https://togithub.com/ladjs/supertest/issues/834) from Bruception/master [`225118c`](https://togithub.com/ladjs/supertest/commit/225118c) - Fix TestAgent not inheriting Agent properties [`f290431`](https://togithub.com/ladjs/supertest/commit/f290431) - fix: bump deps, drop Node.js v<14.16.0 [`1e18c20`](https://togithub.com/ladjs/supertest/commit/1e18c20)

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Configuration

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🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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This PR has been generated by Mend Renovate. View repository job log here.

[codecov[bot]]

Codecov Report

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

Project coverage is 83.09%. Comparing base (3837483) to head (8080311).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1243 +/- ## ======================================= Coverage 83.09% 83.09% ======================================= Files 6 6 Lines 71 71 Branches 10 10 ======================================= Hits 59 59 Misses 8 8 Partials 4 4 ``` | [Flag](https://app.codecov.io/gh/nest-x/nestx-log4js/pull/1243/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/nest-x/nestx-log4js/pull/1243/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None) | `83.09% <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=None#carryforward-flags-in-the-pull-request-comment) to find out more.

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