Update dependency @cucumber/messages to v26

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@cucumber/messages	24.1.0 -> 26.0.0

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Release Notes

cucumber/messages (@​cucumber/messages)

v26.0.0

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Added

• [Dotnet] Added support classes aligned with what is provided for the Java implementation https://github.com/cucumber/messages/pull/2333 clrudolphi)

Changed

• Internal breaking change The code generation has undergone a large refactor (No visible changes expected). All new code
  generation logic is now contained in /codegen (#​228 luke-hill)
• [Dotnet] Rewritten to align with the code generation techniques used for the other languages https://github.com/cucumber/messages/pull/2333 clrudolphi)
• [Dotnet] Upgraded from .NET 5 to .NET 8. Dropped .NET Framework 4.x as a target while retaining .NET Standard 2.0 as the primary target framework https://github.com/cucumber/messages/pull/2333 clrudolphi)

v25.0.1

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Fixed

• [Php] Fixed a workflow issue with publishing the package

v25.0.0

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Changed

• [Ruby] Messages are now altered to be 1 message class per file (#​225 luke-hill)
• [Ruby] Updated minimum Ruby version to 3.0 (#​216 luke-hill)
• [Ruby] Use latest CCK conformance for signing off message releases (#​216 luke-hill)
• [Ruby] Tidied up all remaining rubocop offenses (This included 2 minor alterations to the generator code) (#​217 #​225 luke-hill)
• [Php] Permit both PHPUnit 10 and PHPUnit 11 (#​200 ciaranmcnulty)

Fixed

• [cpp] Don't rely on GitHub API for latest versions and implement a simple download retry loop

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