Bump next from 14.2.21 to 14.2.26 in /dashboard

[dependabot[bot]]

Bumps next from 14.2.21 to 14.2.26.

Release notes

Sourced from next's releases.

v14.2.26

[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• Match subrequest handling for edge and node (#77476)

v14.2.25

[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary. This release contains a security patch for CVE-2025-29927.

Core Changes

• Update middleware request header (#77202)

Credits

Huge thanks to @​ijjk for helping!

v14.2.24

[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• fix: ensure lint worker errors aren't silenced (#75779)
• add additional x-middleware-set-cookie filtering (#75561 & #73482)

Credits

Huge thanks to @​ztanner for helping!

Commits

• 10a042c v14.2.26
• 8a511d6 Match subrequest handling for edge and node (#77476)
• d36a1f3 v14.2.25
• 5fd3ae8 [backport] Update middleware request header (#77202)
• 756be15 v14.2.24
• ba6453d fix corepack keys
• c482c20 [backport v14] fix: ensure lint worker errors aren't silenced (#75766) (#75779)
• 5791cb6 [Backport v14] add additional x-middleware-set-cookie filtering (#75561) (#75...
• 8129a61 test: fix eslint plugin test (#75687)
• f27ce02 v14.2.23
• Additional commits viewable in compare view

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