Bump devfile-web next.js dependency

[thepetk]

Which area is this issue related to?

/area landing-page

Issue Description

Next.js is a main dependency of devfile web and we need to bump it to 14.2.15 (see devfile/devfile-web#160 as reference).
However this brings breaking changes that we need to resolve.

Acceptance Criteria

• The next js version has been updated.

[github-actions]

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