chore(deps): update nextjs monorepo to v15.0.3 (#154)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [eslint-config-next](https://nextjs.org/docs/app/building-your-application/configuring/eslint#eslint-config) ([source](https://redirect.github.com/vercel/next.js/tree/HEAD/packages/eslint-config-next)) | [`15.0.2` -> `15.0.3`](https://renovatebot.com/diffs/npm/eslint-config-next/15.0.2/15.0.3) | [![age](https://developer.mend.io/api/mc/badges/age/npm/eslint-config-next/15.0.3?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/eslint-config-next/15.0.3?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/eslint-config-next/15.0.2/15.0.3?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/eslint-config-next/15.0.2/15.0.3?slim=true)](https://docs.renovatebot.com/merge-confidence/) |
| [next](https://nextjs.org) ([source](https://redirect.github.com/vercel/next.js)) | [`15.0.2` -> `15.0.3`](https://renovatebot.com/diffs/npm/next/15.0.2/15.0.3) | [![age](https://developer.mend.io/api/mc/badges/age/npm/next/15.0.3?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/next/15.0.3?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/next/15.0.2/15.0.3?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/next/15.0.2/15.0.3?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>vercel/next.js (eslint-config-next)</summary>

### [`v15.0.3`](https://redirect.github.com/vercel/next.js/compare/v15.0.2...v15.0.3)

[Compare Source](https://redirect.github.com/vercel/next.js/compare/v15.0.2...v15.0.3)

</details>

<details>
<summary>vercel/next.js (next)</summary>

### [`v15.0.3`](https://redirect.github.com/vercel/next.js/compare/v15.0.2...v15.0.3)

[Compare Source](https://redirect.github.com/vercel/next.js/compare/v15.0.2...v15.0.3)

</details>

---

### Configuration

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♻ **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 this box

---

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package.json

@@ -35,7 +35,7 @@
     "geist": "^1.3.0",
     "ky": "^1.7.0",
     "lucide-react": "^0.429.0",
-    "next": "15.0.2",
+    "next": "15.0.3",
     "next-themes": "^0.3.0",
     "postgres": "^3.4.4",
     "posthog-js": "^1.154.5",
@@ -56,7 +56,7 @@
     "@typescript-eslint/parser": "^8.0.0",
     "drizzle-kit": "^0.28.0",
     "eslint": "^8.57.0",
-    "eslint-config-next": "15.0.2",
+    "eslint-config-next": "15.0.3",
     "eslint-plugin-drizzle": "^0.2.3",
     "postcss": "^8.4.38",
     "prettier": "^3.3.2",