Bump motion from 12.40.0 to 12.42.0 in /docs

[dependabot]

Bumps motion from 12.40.0 to 12.42.0.

Changelog

Sourced from motion's changelog.

[12.42.0] 2026-06-24

Changed

• animateView: Layers are automatically grouped to match their DOM-hierarchy. New .group(false) method opts-out.

Fixed

• animateView: Auto-crop is now aspect-ratio aware, disabling crops for matching aspect-ratios.
• animateView: Disabled automatic border-radius animation.

[12.41.0] 2026-06-23

Added

• animateView: Moves from Motion+ Early Access and alpha to main library.
• animateView: .add() resolves a CSS selector or Element to automatically generate, apply and remove view-transition-name.
• animateView: .new() and .old() configures values to animate on new and old layers.
• animateView: .layout() can set a custom transition on the size/position animation of the currently selected elements.
• animateView: Group layers now automatically crop with children set to cover, with border-radius animating from old radius to new. .crop(false) disables this behaviour.
• animateView: .class(name) tags currently selected elements with a view-transition-class as a custom CSS hook.

Fixed

• AnimatePresence: Prevent stuck exit animations when children interrupt.
• drag: Child e.stopPropagation() no longer break drag end.
• Fixing Next.js OOM on Windows when importing via motion package.
• animateLayout: Improve handling of parallel/interleaved calls.

Changed

• animateView: .enter() and .exit() now refer specifically to new and old layers where there are no matching old or new layers.
• animateView: Interrupted transition setups now return resolved animation rather than throwing.

Commits

• 9c84145 v12.42.0
• 60d7c72 Add view-transition group nesting and aspect-aware cropping
• 6437276 Updating
• f0f893e v12.41.0
• c0c53cb Updating changelog
• 18c3e3e Removing plans
• 378fc4c Merge pull request #3761 from motiondivision/worktree-view-target
• 94ea505 Merge branch 'main' into worktree-view-target
• de65f6b Fade auto morph crossfades over the spring's visual duration
• f8af239 Let an explicit duration override the inherited spring on a view layer
• Additional commits viewable in compare view

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Summary by cubic

Upgrade motion from 12.40.0 to 12.42.0 in docs to adopt the latest animateView features and fixes. This brings automatic layer grouping, aspect-aware cropping, and other stability improvements.

^{Written for commit 68dab1f. Summary will update on new commits.}