chore(deps): update vuepress monorepo to v2.0.0-beta.66 in package.json

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@vuepress/plugin-google-analytics (source)	2.0.0-beta.60 -> 2.0.0-beta.66
vuepress	2.0.0-beta.60 -> 2.0.0-beta.66

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Configuration

📅 Schedule: Branch creation - "before 4am" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

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• If you want to rebase/retry this PR, check this box

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This PR has been generated by Mend Renovate. View repository job log here.

[renovate]

⚠ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: yarn.lock

/usr/local/bin/docker: line 4: .: filename argument required
.: usage: . filename [arguments]
warning @vuepress/plugin-google-analytics@2.0.0-beta.50-pre.1: Invalid version. Do not use it
warning vuepress@2.0.0-beta.50-pre.1: Invalid version. Do not use it
error Couldn't find any versions for "vuepress-vite" that matches "2.0.0-beta.50-pre.1"