chore(deps): update dependency vanilla-framework to v4.18.4 (#1024)

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)) |
[`4.18.3` ->
`4.18.4`](https://renovatebot.com/diffs/npm/vanilla-framework/4.18.3/4.18.4)
|
[![age](https://developer.mend.io/api/mc/badges/age/npm/vanilla-framework/4.18.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/vanilla-framework/4.18.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/vanilla-framework/4.18.3/4.18.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/vanilla-framework/4.18.3/4.18.4?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

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

###
[`v4.18.4`](https://redirect.github.com/canonical/vanilla-framework/compare/v4.18.3...e6593da80e63944e2d05015e22a14db405869f26)

[Compare
Source](https://redirect.github.com/canonical/vanilla-framework/compare/v4.18.3...v4.18.4)

</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).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS40Mi40IiwidXBkYXRlZEluVmVyIjoiMzkuNDIuNCIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOltdfQ==-->

package.json

@@ -47,7 +47,7 @@
     "react-router-dom": "6.26.0",
     "react-useportal": "1.0.19",
     "serve": "14.2.3",
-    "vanilla-framework": "4.18.3",
+    "vanilla-framework": "4.18.4",
     "xterm": "5.3.0",
     "xterm-addon-fit": "0.8.0",
     "yup": "1.4.0"

yarn.lock

@@ -6445,10 +6445,10 @@ v8-to-istanbul@9.3.0:
     "@types/istanbul-lib-coverage" "^2.0.1"
     convert-source-map "^2.0.0"
 
-vanilla-framework@4.18.3:
-  version "4.18.3"
-  resolved "https://registry.yarnpkg.com/vanilla-framework/-/vanilla-framework-4.18.3.tgz#8b7e3cc164eab90c540880fd7b87fa8dc91ff9e1"
-  integrity sha512-WsOgD/iI27de80cMS9IYFq1X4nbsEOFfqUmTT7V57k5C20WHwshUA0ocw4R21ThN+A7amh4+c7i0mtcr9a/+uQ==
+vanilla-framework@4.18.4:
+  version "4.18.4"
+  resolved "https://registry.yarnpkg.com/vanilla-framework/-/vanilla-framework-4.18.4.tgz#8f740cd369d9a61d1cc3c34d3119660db4030e4a"
+  integrity sha512-g5jotlb6ENcK1+9hF3QsP5y8hGIXkgEdwjnDGTMEJ3vmtmwSJNa3KWp0QaFBE59nIZq71VGxTbYh+GI+9dzlLQ==
 
 vary@~1.1.2:
   version "1.1.2"