chore(deps): update dependency @vitejs/plugin-legacy to v7

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@vitejs/plugin-legacy (source)	^6.1.1 -> ^7.0.0

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Release Notes

vitejs/vite (@​vitejs/plugin-legacy)

v7.2.1

Compare Source

Features

• legacy: update plugin-legacy code for rolldown-vite (6401a49)

v7.2.0

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Bug Fixes

• deps: update all non-major dependencies (#​20537) (fc9a9d3)
• legacy: modernTargets should set build.target (#​20393) (76c5e40)

Miscellaneous Chores

• deps: update rolldown-related dependencies (#​20441) (f689d61)
• deps: update rolldown-related dependencies (#​20536) (8be2787)

v7.1.0

Compare Source

Features

• legacy: add rolldown-vite support (#​20417) (ab62ca4)

v7.0.1

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Bug Fixes

• deps: update all non-major dependencies (#​20324) (3e81af3)
• deps: update all non-major dependencies (#​20366) (43ac73d)
• deps: update all non-major dependencies (#​20406) (1a1cc8a)
• legacy: don't lower CSS if legacy chunks are not generated (#​20392) (d2c81f7)

Performance Improvements

• legacy: skip lowering when detecting polyfills (#​20387) (7cc0338)

Miscellaneous Chores

• deps: update rolldown-related dependencies (#​20323) (30d2f1b)
• group commits by category in changelog (#​20310) (41e83f6)

Code Refactoring

• legacy: use Rollup type export from Vite (#​20335) (d62dc33)
• use foo.endsWith("bar") instead of /bar$/.test(foo) (#​20413) (862e192)

v7.0.0

Compare Source

Miscellaneous Chores

• deps: update rolldown-related dependencies (#​20270) (f7377c3)
• legacy: update peer dep Vite to 7 (8ff13cd)

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