R pkgdown Multi Version docs

Version updated for insightsengineering/r-pkgdown-multiversion to version v3.0.1.

• This action is used across all versions by 107 repositories.

Go to the GitHub Marketplace to find the latest changes.

Release notes

What’s Changed

• fix: Quote args by @cicdguy in https://github.com/insightsengineering/r-pkgdown-multiversion/pull/27

Full Changelog: https://github.com/insightsengineering/r-pkgdown-multiversion/compare/v3...v3.0.1

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