chore(deps) Update all non-major dependencies

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
dompurify	2.4.0 -> 2.4.1
postcss (source)	8.4.18 -> 8.4.19
sass	1.56.0 -> 1.56.1

---

Release Notes

cure53/DOMPurify

### [`v2.4.1`](https://togithub.com/cure53/DOMPurify/releases/tag/2.4.1): DOMPurify 2.4.1 [Compare Source](https://togithub.com/cure53/DOMPurify/compare/2.4.0...2.4.1) - Added new config option `ALLOWED_NAMESPACES` for better XML handling, thanks [@​kevin-deyoungster](https://togithub.com/kevin-deyoungster) [@​tosmolka](https://togithub.com/tosmolka) - Added better detection of template literals when ` SAFE_FOR_TEMPLATES ` is `true` - Fixed an exception caused by DOM clobbering, thanks [@​masatokinugawa](https://togithub.com/masatokinugawa) - Bumped some dependencies, thanks [@​marcpenya-tf](https://togithub.com/marcpenya-tf)

postcss/postcss

### [`v8.4.19`](https://togithub.com/postcss/postcss/blob/HEAD/CHANGELOG.md#​8419) [Compare Source](https://togithub.com/postcss/postcss/compare/8.4.18...8.4.19) - Fixed whitespace preserving after AST transformations (by Romain Menke).

sass/dart-sass

### [`v1.56.1`](https://togithub.com/sass/dart-sass/blob/HEAD/CHANGELOG.md#​1561) [Compare Source](https://togithub.com/sass/dart-sass/compare/1.56.0...1.56.1) ##### Embedded Sass - Importer results now validate that `contents` is actually a string and whether `sourceMapUrl` is an absolute URL.

---

Configuration

📅 Schedule: Branch creation - "before 8am on Monday" in timezone America/Chicago, Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

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

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

---

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

---

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

[christopherpickering]

:tada: This PR is included in version 3.11.0-alpha.1 :tada:

The release is available on GitHub release

Your semantic-release bot :package::rocket:

[christopherpickering]

:tada: This PR is included in version 3.11.0 :tada:

The release is available on GitHub release

Your semantic-release bot :package::rocket: