chore(deps): update dependency vanilla-framework to v4.20.0 (#1061)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [vanilla-framework](https://vanillaframework.io/)
([source](https://redirect.github.com/canonical/vanilla-framework)) |
[`4.19.0` ->
`4.20.0`](https://renovatebot.com/diffs/npm/vanilla-framework/4.19.0/4.20.0)
|
[![age](https://developer.mend.io/api/mc/badges/age/npm/vanilla-framework/4.20.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/vanilla-framework/4.20.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/vanilla-framework/4.19.0/4.20.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/vanilla-framework/4.19.0/4.20.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>canonical/vanilla-framework (vanilla-framework)</summary>

###
[`v4.20.0`](https://redirect.github.com/canonical/vanilla-framework/releases/tag/v4.20.0)

[Compare
Source](https://redirect.github.com/canonical/vanilla-framework/compare/v4.19.0...v4.20.0)

#### Getting Vanilla Framework

Install with NPM: https://www.npmjs.com/package/vanilla-framework
Visit the documentation at https://vanillaframework.io/docs

#### New in Vanilla v4.20.0

#### 🚀 Features

- feat: Horizontal list section component by
[@&#8203;jmuzina](https://redirect.github.com/jmuzina)
([#&#8203;5437](https://redirect.github.com/canonical/vanilla-framework/issues/5437))

#### 🐛 Bug Fixes

- fix(vf_tiered-list.jinja): Update to have top hr on all screen sizes
by [@&#8203;petesfrench](https://redirect.github.com/petesfrench)
([#&#8203;5444](https://redirect.github.com/canonical/vanilla-framework/issues/5444))

**Full Changelog**:
canonical/vanilla-framework@v4.19.0...v4.20.0

</details>

---

### Configuration

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

---

- [ ] <!-- 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/canonical/lxd-ui).

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package.json

@@ -47,7 +47,7 @@
     "react-router-dom": "7.1.1",
     "react-useportal": "1.0.19",
     "serve": "14.2.4",
-    "vanilla-framework": "4.19.0",
+    "vanilla-framework": "4.20.0",
     "xterm": "5.3.0",
     "xterm-addon-fit": "0.8.0",
     "yup": "1.6.1"

yarn.lock

@@ -6559,10 +6559,10 @@ [email protected]:
     "@types/istanbul-lib-coverage" "^2.0.1"
     convert-source-map "^2.0.0"
 
-vanilla-framework@4.19.0:
-  version "4.19.0"
-  resolved "https://registry.yarnpkg.com/vanilla-framework/-/vanilla-framework-4.19.0.tgz#36fa67a5434ae3222bb83ca04159e87d45ae49a1"
-  integrity sha512-LnB6GdSJHBOVZNlkmEid15tbsweBe1E0T5Mh54KhhUf3JsdLPJSqrUROD/YehZLCHyeEZNDpLnEtaU8YSRz54A==
+vanilla-framework@4.20.0:
+  version "4.20.0"
+  resolved "https://registry.yarnpkg.com/vanilla-framework/-/vanilla-framework-4.20.0.tgz#017362c0814a69f4759842c8f35d4ee9e9f5ad83"
+  integrity sha512-XCaLzqlo8Qd/awGD5sNG/1c4LfcaGLCgCZfVPRWyxQIVZRVQrY+Tk335Juz7u/DqUMuULt800oy0sOIVyqABWA==
 
 vary@~1.1.2:
   version "1.1.2"