build(deps): update vitest monorepo to v2.1.8 (#10992)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[@vitest/coverage-v8](https://redirect.github.com/vitest-dev/vitest/tree/main/packages/coverage-v8#readme)
([source](https://redirect.github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-v8))
| [`2.1.6` ->
`2.1.8`](https://renovatebot.com/diffs/npm/@vitest%2fcoverage-v8/2.1.6/2.1.8)
|
[![age](https://developer.mend.io/api/mc/badges/age/npm/@vitest%2fcoverage-v8/2.1.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/@vitest%2fcoverage-v8/2.1.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/@vitest%2fcoverage-v8/2.1.6/2.1.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/@vitest%2fcoverage-v8/2.1.6/2.1.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
| [vitest](https://redirect.github.com/vitest-dev/vitest)
([source](https://redirect.github.com/vitest-dev/vitest/tree/HEAD/packages/vitest))
| [`^2.1.5` ->
`^2.1.6`](https://renovatebot.com/diffs/npm/vitest/2.1.6/2.1.8) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/vitest/2.1.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/vitest/2.1.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/vitest/2.1.6/2.1.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/vitest/2.1.6/2.1.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>vitest-dev/vitest (@&#8203;vitest/coverage-v8)</summary>

###
[`v2.1.8`](https://redirect.github.com/vitest-dev/vitest/releases/tag/v2.1.8)

[Compare
Source](https://redirect.github.com/vitest-dev/vitest/compare/v2.1.7...v2.1.8)

#####    🐞 Bug Fixes

- Support Node 21  -  by
[@&#8203;sheremet-va](https://redirect.github.com/sheremet-va)
[<samp>(92f7a)</samp>](https://redirect.github.com/vitest-dev/vitest/commit/92f7a2ad)

#####     [View changes on
GitHub](https://redirect.github.com/vitest-dev/vitest/compare/v2.1.7...v2.1.8)

###
[`v2.1.7`](https://redirect.github.com/vitest-dev/vitest/releases/tag/v2.1.7)

[Compare
Source](https://redirect.github.com/vitest-dev/vitest/compare/v2.1.6...v2.1.7)

#####    🐞 Bug Fixes

- Revert support for Vite 6  -  by
[@&#8203;sheremet-va](https://redirect.github.com/sheremet-va)
[<samp>(fbe5c)</samp>](https://redirect.github.com/vitest-dev/vitest/commit/fbe5c39d)
- This introduced some breaking changes
([https://github.com/vitest-dev/vitest/issues/6992](https://redirect.github.com/vitest-dev/vitest/issues/6992)).
We will enable support at a later time. In the meantime, you can still
use `pnpm.overrides` or yarn resolutions to override the `vite` version
in the `vitest` package - the APIs are compatible.

#####     [View changes on
GitHub](https://redirect.github.com/vitest-dev/vitest/compare/v2.1.6...v2.1.7)

</details>

---

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package.json

@@ -71,7 +71,7 @@
     "@typescript-eslint/parser": "8.16.0",
     "@typescript-eslint/rule-tester": "8.16.0",
     "@typescript-eslint/utils": "8.16.0",
-    "@vitest/coverage-v8": "2.1.6",
+    "@vitest/coverage-v8": "2.1.8",
     "@whitespace/storybook-addon-html": "6.1.1",
     "autoprefixer": "10.4.20",
     "axe-core": "4.10.2",

packages/calcite-components/package.json

@@ -89,7 +89,7 @@
   "devDependencies": {
     "@esri/calcite-design-tokens": "3.0.0-next.2",
     "@esri/eslint-plugin-calcite-components": "2.0.0-next.1",
-    "vitest": "^2.1.5"
+    "vitest": "^2.1.6"
   },
   "volta": {
     "extends": "../../package.json"