chore(deps): update dependency nock to v13.5.6 (#7985)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [nock](https://redirect.github.com/nock/nock) | [`13.5.5` ->
`13.5.6`](https://renovatebot.com/diffs/npm/nock/13.5.5/13.5.6) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/nock/13.5.6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/nock/13.5.6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/nock/13.5.5/13.5.6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/nock/13.5.5/13.5.6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>nock/nock (nock)</summary>

###
[`v13.5.6`](https://redirect.github.com/nock/nock/compare/v13.5.5...f155498ff5dd8990f0cd06d3e254336cf65b23e4)

[Compare
Source](https://redirect.github.com/nock/nock/compare/v13.5.5...v13.5.6)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - "every weekend" in timezone
America/Los_Angeles, 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.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/apollographql/apollo-server).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS43LjEiLCJ1cGRhdGVkSW5WZXIiOiIzOS43LjEiLCJ0YXJnZXRCcmFuY2giOiJtYWluIiwibGFiZWxzIjpbIjpjaHJpc3RtYXNfdHJlZTogZGVwZW5kZW5jaWVzIl19-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

package.json

@@ -89,7 +89,7 @@
     "jest-mock-random": "1.1.1",
     "jest-serializer-html": "7.1.0",
     "lodash.sumby": "4.6.0",
-    "nock": "13.5.5",
+    "nock": "13.5.6",
     "node-fetch": "2.7.0",
     "prettier": "3.3.3",
     "qs-middleware": "1.0.3",