Bump @antora/atlas-extension from 1.0.0-alpha.5 to 1.0.0-alpha.6 in /docs

[dependabot]

Bumps @antora/atlas-extension from 1.0.0-alpha.5 to 1.0.0-alpha.6.

Changelog

Sourced from @​antora/atlas-extension's changelog.

== 1.0.0-alpha.6 (2026-09-30)

=== Added

• Detect and transform legacy manifest data when importing (#20)
• Set src.path property of imported file; use value of path prefixed with manifest: to indicate its a virtual construct (#27)
• Initialize origins with manifest origin on component version created by import (#25)
• Add manifest origin to set of origins on component version when importing into hybrid component version (#25)
• Assign manifest origin to src.origin on imported file (#25)

=== Changed

• Require at least Antora 3.2.0 and Node.js 20
• Rename import.hybrid configuration key to import.merge and document it (retain import.hybrid for backwards compatibility) (#19)
• Proxy ContentCatalog#registerPageAlias even when site only contains hybrid component versions
• Proxy mapSite generator function in sharded mode even in case when site only contains hybrid component versions
• Don't assign default title (Untitled) to imported page that does not define a title (#23)
• Only configure imported pages to be not publishable, not imported aliases
• Don't export aliases in sharded import mode that originate from imported component version
• Rework return value of importSiteManifest function to be more informative (#24)

=== Fixed

• Resolve version coordinate of alias to latest version of component if version is not specified
• Always import aliases (as aliases) from manifest unless they target page provided by build (#21)
• Don't export/output aliases that originate from imported component version (#21)
• Update ContentCatalog#registerPageAlias proxy to ignore request to register duplicate alias (#21)
• Update ContentCatalog#registerPageAlias proxy to allow alias defined in hybrid component version to take precedence (#21)
• When checking for duplicate files, consider files sourced from an implicit ROOT module (#28)

Commits

• 08d56f2 release 1.0.0-alpha.6
• 31230e1 minor cleanup
• 396d152 make copy of imported pages to avoid combing through aliases when looking for...
• 38abefd clarify that provided pages and their aliases are not overwritten in merge mode
• bac9a2e revise CHANGELOG entries
• e6eb8f8 increase test coverage to 100%
• 45447c2 cover case when xreftext is mapped to doctitle
• 21fd115 add missing assertions
• bca5ede cover missing scenario when xreftext is dropped when exporting
• b8e5a9b clean up navtitle and xreftext assignments in export site manifest
• Additional commits viewable in compare view

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