chore: add yarn-deduplicate to the postinstall, clean lock

[Simek]

As seen in Docusuaurs 2 repo (facebook/docusaurus#3738), besides initial concerns, adding npx yarn-deduplicate isn't a bad idea and can be used as a long term solution for keeping yarn.lock tidy.

This PR adds the deduplication script to the postinstall of the workspace and includes the changes added by running the script.

CC @slorber

[github-actions]

Size Change: 0 B

Total Size: 527 kB

ℹ️ View Unchanged

Filename	Size	Change
./packages/core/dist/css/default-dark/default-dark-rtl.css	76.4 kB	0 B
./packages/core/dist/css/default-dark/default-dark-rtl.min.css	53.2 kB	0 B
./packages/core/dist/css/default-dark/default-dark.css	76.4 kB	0 B
./packages/core/dist/css/default-dark/default-dark.min.css	53.2 kB	0 B
./packages/core/dist/css/default/default-rtl.css	75.6 kB	0 B
./packages/core/dist/css/default/default-rtl.min.css	52.7 kB	0 B
./packages/core/dist/css/default/default.css	75.6 kB	0 B
./packages/core/dist/css/default/default.min.css	52.6 kB	0 B
./packages/core/dist/js/alerts.js	409 B	0 B
./packages/core/dist/js/alerts.min.js	409 B	0 B
./packages/core/dist/js/button-groups.js	267 B	0 B
./packages/core/dist/js/button-groups.min.js	267 B	0 B
./packages/core/dist/js/dropdowns.js	1.01 kB	0 B
./packages/core/dist/js/dropdowns.min.js	1.01 kB	0 B
./packages/core/dist/js/menu.js	1.74 kB	0 B
./packages/core/dist/js/menu.min.js	1.74 kB	0 B
./packages/core/dist/js/navbar.js	926 B	0 B
./packages/core/dist/js/navbar.min.js	926 B	0 B
./packages/core/dist/js/pills.js	270 B	0 B
./packages/core/dist/js/pills.min.js	270 B	0 B
./packages/core/dist/js/radio-behavior.js	705 B	0 B
./packages/core/dist/js/radio-behavior.min.js	705 B	0 B
./packages/core/dist/js/tabs.js	267 B	0 B
./packages/core/dist/js/tabs.min.js	267 B	0 B

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[slorber]

thanks 👍