fix(deps): update dependency @vuepress/helper to v2.0.0-rc.7

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@vuepress/helper (source)	2.0.0-rc.5 -> 2.0.0-rc.7

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Release Notes

vuepress/ecosystem (@​vuepress/helper)

v2.0.0-rc.7

Compare Source

Bug Fixes

• helper: ensure rootNodes (afc6f9d)

Features

• helper: add bun support (ebedb81)

v2.0.0-rc.6

Compare Source

Features

• helper: add hasGlobalComponent (#​46) (2472fce)
• helper: export slash related functions (4268fdc)
• helper: improve getDate utils (efb5b2e)
• helper: improve vite optimizeDeps (8973871)

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