refactor: migrate from wpackagist to wp-composer

[YvetteNikolov]

Voorstel: we kunnen deze stap gemakkelijk integreren in de update guide naar WordPress 6.9

curl -sO https://raw.githubusercontent.com/roots/wp-composer/main/scripts/migrate-from-wpackagist.sh && \
bash migrate-from-wpackagist.sh && \
composer update && \
rm migrate-from-wpackagist.sh

[Copilot]

Pull request overview

This PR migrates WordPress plugin/theme dependency sourcing from WPackagist to the Roots/wp-composer repository, aligning the project’s Composer setup with the suggested WordPress 6.9 update path.

Changes:

• Switched the Composer repository from https://wpackagist.org to https://repo.wp-composer.com and updated allowed package patterns.
• Renamed required WP packages from wpackagist-plugin/* to wp-plugin/* and updated the lockfile accordingly.
• Composer lockfile also includes an incidental dependency bump for sentry/sentry.

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated 1 comment.

File	Description
composer.json	Updates Composer repository configuration and WP package names to use wp-composer (wp-plugin/*, wp-theme/*).
composer.lock	Regenerates lockfile to reflect wp-composer package naming/metadata and updates resolved versions (including sentry/sentry).

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[YvetteNikolov]

Geeft geen problemen:

❯ composer validate
./composer.json is valid

[mvdhoek1]

Nice!

[ictbeheer]

Het 'only' block is niet meer nodig: roots/wp-packages#43