chore(deps): update dependency @tailwindcss/postcss to v4.0.6 (#809)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [@tailwindcss/postcss](https://tailwindcss.com)
([source](https://redirect.github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/@tailwindcss-postcss))
| [`4.0.5` ->
`4.0.6`](https://renovatebot.com/diffs/npm/@tailwindcss%2fpostcss/4.0.5/4.0.6)
|
[![age](https://developer.mend.io/api/mc/badges/age/npm/@tailwindcss%2fpostcss/4.0.6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/@tailwindcss%2fpostcss/4.0.6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/@tailwindcss%2fpostcss/4.0.5/4.0.6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/@tailwindcss%2fpostcss/4.0.5/4.0.6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>tailwindlabs/tailwindcss
(@&#8203;tailwindcss/postcss)</summary>

###
[`v4.0.6`](https://redirect.github.com/tailwindlabs/tailwindcss/blob/HEAD/CHANGELOG.md#406---2025-02-10)

[Compare
Source](https://redirect.github.com/tailwindlabs/tailwindcss/compare/v4.0.5...v4.0.6)

##### Fixed

- Revert change to no longer include theme variables that aren't used in
compiled CSS
([#&#8203;16403](https://redirect.github.com/tailwindlabs/tailwindcss/pull/16403))

</details>

---

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---

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deployables/extension/package.json

@@ -31,7 +31,7 @@
     "@playwright/test": "1.50.1",
     "@safe-global/safe-gateway-typescript-sdk": "3.22.9",
     "@sentry/esbuild-plugin": "3.1.2",
-    "@tailwindcss/postcss": "4.0.5",
+    "@tailwindcss/postcss": "4.0.6",
     "@testing-library/dom": "10.4.0",
     "@testing-library/jest-dom": "6.6.3",
     "@testing-library/react": "16.2.0",