chore(deps): update nextjs monorepo to v14.2.15

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
eslint-config-next (source)	14.2.14 -> 14.2.15
next (source)	14.2.14 -> 14.2.15

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Release Notes

vercel/next.js (eslint-config-next)

### [`v14.2.15`](https://redirect.github.com/vercel/next.js/compare/v14.2.14...v14.2.15) [Compare Source](https://redirect.github.com/vercel/next.js/compare/v14.2.14...v14.2.15)

vercel/next.js (next)

### [`v14.2.15`](https://redirect.github.com/vercel/next.js/compare/v14.2.14...v14.2.15) [Compare Source](https://redirect.github.com/vercel/next.js/compare/v14.2.14...v14.2.15)

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Configuration

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🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

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

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• [ ] If you want to rebase/retry this PR, check this box

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