i18n(ja): Add `recipes/analyze-bundle-size.mdx`

[jp-knj]

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Description (required)

Add missing Japanese translation This improves completeness of the Japanese docs and aligns them with the latest English source.

Related issues & labels (optional)

• Closes #
• Suggested label: i18n

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Warnings reference

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🔄️	The source for this localization has been updated since the creation of this pull request, make sure all changes in the source have been applied.