build(deps): update dependency focus-trap to v7.6.4 (#11294)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [focus-trap](https://redirect.github.com/focus-trap/focus-trap) |
[`7.6.2` ->
`7.6.4`](https://renovatebot.com/diffs/npm/focus-trap/7.6.2/7.6.4) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/focus-trap/7.6.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/focus-trap/7.6.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/focus-trap/7.6.2/7.6.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/focus-trap/7.6.2/7.6.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>focus-trap/focus-trap (focus-trap)</summary>

###
[`v7.6.4`](https://redirect.github.com/focus-trap/focus-trap/blob/HEAD/CHANGELOG.md#764)

[Compare
Source](https://redirect.github.com/focus-trap/focus-trap/compare/v7.6.3...v7.6.4)

##### Patch Changes

-
[`bb47f7a`](https://redirect.github.com/focus-trap/focus-trap/commit/bb47f7a):
Remove engine requirement that crept into `package.json`. Sorry about
that!
([#&#8203;1343](https://redirect.github.com/focus-trap/focus-trap/issues/1343))

###
[`v7.6.3`](https://redirect.github.com/focus-trap/focus-trap/blob/HEAD/CHANGELOG.md#763)

[Compare
Source](https://redirect.github.com/focus-trap/focus-trap/compare/v7.6.2...v7.6.3)

##### Patch Changes

-
[`0a9b746`](https://redirect.github.com/focus-trap/focus-trap/commit/0a9b746):
Prevent a previous focus trap that is manually paused from being
automatically unpaused when the current trap is deactivated. Also
prevent a paused trap that is not at the top of the stack from being
unpaused.

</details>

---

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