desrosj 5b4733aea7 Build/Test Tools: Configure npm to prefer-dedupe.
`npm dedupe` is a command that attempts to simplify the structure of the local package tree by moving dependencies higher up. This allows for more effective package sharing, less transfer, and smaller `node_modules` folders.

This change configures npm to `prefer-dedupe` by default so that these benefits persist and the command is not required to be run regularly.

This also brings better alignment with the Gutenberg repository, which has already configured `prefer-dedupe`.

Props jonsurrell.
Fixes #62190.
Built from https://develop.svn.wordpress.org/trunk@59207


git-svn-id: http://core.svn.wordpress.org/trunk@58602 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2024-10-10 15:58:22 +00:00
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