fix(deps): update dependency slate-react to ^0.104.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
slate-react	^0.102.0 -> ^0.104.0

---

Release Notes

ianstormtaylor/slate (slate-react)

### [`v0.104.0`](https://togithub.com/ianstormtaylor/slate/releases/tag/slate-react%400.104.0) [Compare Source](https://togithub.com/ianstormtaylor/slate/compare/slate-react@0.102.0...slate-react@0.104.0) ##### Minor Changes - [#​5648](https://togithub.com/ianstormtaylor/slate/pull/5648) [`0bb7be54`](https://togithub.com/ianstormtaylor/slate/commit/0bb7be5496db4c31042667a17f9ff95c3f3d42b0) Thanks [@​MahmoudElsayad](https://togithub.com/MahmoudElsayad)! - Fix Safari selection inside Shadow DOM.

---

Configuration

📅 Schedule: Branch creation - "before 7am on Tuesday,before 7am on Wednesday" in timezone Australia/Sydney, Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ 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.

---

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

---

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

[codesandbox-ci[bot]]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit f0474f3f3ad3eb19407c865abe4d19d2472566f1:

Sandbox	Source
@keystone-6/sandbox	Configuration