chore(deps) test jsdom 27 beta

[hi-ogawa]

Description

Related #7861

Just checking if any breaking change on Vitest environment level

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[asamuzaK]

Thanks for testing.
Let us know if there's anything we can do to help on the jsdom side.
jsdom/jsdom#3864

[hi-ogawa]

@asamuzaK Thanks for ping! v27 looks fine on Vitest repo though we don't have a many jsdom test case internally, so this is mostly to confirm basic Vitest environment usage. Also note that Vitest's peerDependencies doesn't pin jsdom version, so Vitest users are free to upgrade jsdom on their own anytime. This PR is only for devDependencies of this repo.

Once jsdom v27 becomes latest tag, renovate will probably raise a PR, so that's when we'll merge it for own repo.