build(deps): update tailwindcss monorepo to ^4.0.0-beta.8 (#4781)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| @​tailwindcss/postcss | [`^4.0.0-beta.7` ->
`^4.0.0-beta.8`](https://renovatebot.com/diffs/npm/@tailwindcss%2fpostcss/4.0.0-beta.7/4.0.0-beta.8)
|
[![age](https://developer.mend.io/api/mc/badges/age/npm/@tailwindcss%2fpostcss/4.0.0-beta.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/@tailwindcss%2fpostcss/4.0.0-beta.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/@tailwindcss%2fpostcss/4.0.0-beta.7/4.0.0-beta.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/@tailwindcss%2fpostcss/4.0.0-beta.7/4.0.0-beta.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
| [tailwindcss](https://tailwindcss.com)
([source](https://github.com/tailwindlabs/tailwindcss)) |
[`^4.0.0-beta.7` ->
`^4.0.0-beta.8`](https://renovatebot.com/diffs/npm/tailwindcss/4.0.0-beta.7/4.0.0-beta.8)
|
[![age](https://developer.mend.io/api/mc/badges/age/npm/tailwindcss/4.0.0-beta.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/tailwindcss/4.0.0-beta.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/tailwindcss/4.0.0-beta.7/4.0.0-beta.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/tailwindcss/4.0.0-beta.7/4.0.0-beta.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>tailwindlabs/tailwindcss (tailwindcss)</summary>

###
[`v4.0.0-beta.8`](https://github.com/tailwindlabs/tailwindcss/blob/HEAD/CHANGELOG.md#400-beta8---2024-12-17)

[Compare
Source](https://github.com/tailwindlabs/tailwindcss/compare/v4.0.0-beta.7...v4.0.0-beta.8)

##### Fixed

- Ensure `Symbol.dispose` and `Symbol.asyncDispose` are polyfilled
([#&#8203;15404](https://github.com/tailwindlabs/tailwindcss/pull/15404))

</details>

---

### Configuration

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Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about these
updates again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
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---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/inabagumi/shinju-date).

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Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

apps/admin/package.json

@@ -7,14 +7,14 @@
     "next": "^15.1.0",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
-    "tailwindcss": "^4.0.0-beta.7",
+    "tailwindcss": "^4.0.0-beta.8",
     "zod": "^3.24.1"
   },
   "description": "",
   "devDependencies": {
     "@shinju-date/database": "workspace:*",
     "@shinju-date/eslint-config": "workspace:*",
-    "@tailwindcss/postcss": "^4.0.0-beta.7",
+    "@tailwindcss/postcss": "^4.0.0-beta.8",
     "@tsconfig/next": "^2.0.3",
     "@tsconfig/strictest": "^2.0.5",
     "@types/node": "^22.10.2",

apps/web/package.json

@@ -20,7 +20,7 @@
     "react-infinite-scroll-component": "^6.1.0",
     "swr": "^2.2.5",
     "tailwind-merge": "^2.5.5",
-    "tailwindcss": "^4.0.0-beta.7",
+    "tailwindcss": "^4.0.0-beta.8",
     "temporal-polyfill": "^0.2.5",
     "ufo": "^1.5.4",
     "zod": "^3.24.1"
@@ -32,7 +32,7 @@
     "@next/mdx": "^15.1.0",
     "@shinju-date/database": "workspace:*",
     "@shinju-date/eslint-config": "workspace:*",
-    "@tailwindcss/postcss": "^4.0.0-beta.7",
+    "@tailwindcss/postcss": "^4.0.0-beta.8",
     "@tsconfig/next": "^2.0.3",
     "@tsconfig/strictest": "^2.0.5",
     "@types/dedent": "^0.7.2",

package.json

@@ -5,7 +5,7 @@
     "@inabagumi/prettier-config": "^3.0.0",
     "prettier": "~3.4.2",
     "prettier-plugin-tailwindcss": "^0.6.9",
-    "tailwindcss": "^4.0.0-beta.7",
+    "tailwindcss": "^4.0.0-beta.8",
     "turbo": "^2.3.3",
     "typescript": "~5.7.2"
   },