Update dependency qs to v6.13.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
qs	6.13.0 -> 6.13.1

---

Release Notes

ljharb/qs (qs)

### [`v6.13.1`](https://redirect.github.com/ljharb/qs/blob/HEAD/CHANGELOG.md#6131) [Compare Source](https://redirect.github.com/ljharb/qs/compare/v6.13.0...v6.13.1) \[Fix] `stringify`: avoid a crash when a `filter` key is `null` \[Fix] `utils.merge`: functions should not be stringified into keys \[Fix] `parse`: avoid a crash with interpretNumericEntities: true, comma: true, and iso charset \[Fix] `stringify`: ensure a non-string `filter` does not crash \[Refactor] use `__proto__` syntax instead of `Object.create` for null objects \[Refactor] misc cleanup \[Tests] `utils.merge`: add some coverage \[Tests] fix a test case \[actions] split out node 10-20, and 20+ \[Dev Deps] update `es-value-fixtures`, `mock-property`, `object-inspect`, `tape`

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

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

---

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

---

This PR was generated by Mend Renovate. View the repository job log.

[github-actions[bot]]

Code Coverage Report: Only Changed Files listed

Package	Coverage
Overall Coverage	🟢 85%

Minimum allowed coverage is 0%, this run produced 85%