[github-actions]

What's Changed

• Added support for seeAlso.thumbnail properties in the serialiser by @stephenwf in Added support for seeAlso.thumbnail properties in the serialiser #67
• Upgrade isolated Presentation 2 canvases. Closes Canvases are not upgraded from Presi 2 when isolated in upgrader #53.
• Map all Presentation 2 related links to resource homepages. Closes Presentation 2 "related" property not upgraded correctly. #52.
• Correct Presentation 2 annotation serialisation, preserving bodies, motivations, selectors, and annotation-list structure. Closes P2 Open Annotations serilaising #49.
• Support invalid @label spellings while preserving label precedence. Closes Support potentially invalid P2 @label property when upgrading #43.
• Preserve collection pagination through upgrading and both serialisers. Closes Page collections #42.
• Retain string seeAlso and rendering URIs. Closes Upgrade presentation 2 seeAlso #40.
• Add regression coverage for mixed plain-string and language-tagged descriptions. Closes Upgrade presentation 2 language properties #39.
• Preserve linked metadata in Presentation 3 serialisation without changing existing normalised store shapes. Closes Missing fields in P3 serializer #28.
• Preserve all Image API selector parameters and selected annotation bodies. Closes Image API Selector extra fields #27.
• Convert legacy IxIF audio/video manifests into temporal canvases, retaining fallback content when conversion is unavailable. Closes Convert old-style AV manifests #14.
• Normalise range selectors against canonical canvas identifiers and preserve unrelated anchors. Closes Ranges with selectors #3.
• Expand coverage and fix null handling, merged-link loss, target type hints, annotation collections, and base image-service URL identifiers. Closes Test coverage gaps #29.

Full Changelog: v4.0.3...v4.0.5