Misc Fixes

[korgon]

• removing modern.js (was causing delayed render)
• updating husky version
• removing demo store upload to production (keeping tag version)

[Copilot]

Pull request overview

This PR consolidates the Preact demo bundle entrypoint (removing the separate modern.ts indirection), updates Husky, and adjusts docs deployment to stop syncing demo assets to the production S3 path.

Changes:

• Switch modern builds to use src/index.ts directly and remove src/modern.ts; add a webpack banner to set window.searchspring.managed.
• Update Husky from 7.0.4 to 9.1.7 and adjust hook/script wiring.
• Remove demo store uploads to the snap/production S3 path in the docs workflow.

Reviewed changes

Copilot reviewed 8 out of 9 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
packages/snap-preact-demo/webpack.universal.js	Removes production devServer config from the universal build.
packages/snap-preact-demo/webpack.modern.js	Points production modern build entry to src/index.ts and removes devServer config.
packages/snap-preact-demo/webpack.dev.js	Points dev modern build entry to src/index.ts and tweaks dev-server client logging.
packages/snap-preact-demo/webpack.common.js	Adds a BannerPlugin to set window.searchspring.managed.
packages/snap-preact-demo/src/modern.ts	Removes the former modern entry shim.
package.json	Updates Husky version and removes the prepare script.
package-lock.json	Updates lockfile entries for Husky 9.1.7 (incl. Node engine).
.husky/pre-commit	Simplifies the hook script to only run npx lint-staged.
.github/workflows/docs.yml	Stops syncing demo artifacts to snap/production.

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