Bump Wasmtime to 27.0.0

[wasmtime-publish]

This is an automated pull request from CI which indicates that the next release-26.0.0 branch has been created and the main branch is getting its version number bumped from 26.0.0 to 27.0.0.

Maintainers should take a moment to review the release notes for 26.0.0 and any updates should be made directly to the release branch.

Another automated PR will be made in roughly 2 weeks time when for the actual release itself.

If any issues arise on the main branch before the release is made then the issue should first be fixed on main and then backport to the release-26.0.0 branch.

[github-actions]

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