`vp check` should have a --quiet flag

[Orenbek]

Description

As a developer using Vite+ I want vp check to accept --quiet (same meaning as oxlint / vp lint --quiet) so that warning-level diagnostics are omitted and only errors are printed.

vp lint already forwards --quiet to oxlint; vp check rejects it (Unexpected argument '--quiet'). The current workaround is vp fmt --check && vp lint --quiet, which splits the unified command and loses the single vp check summary.

Suggested solution

Add --quiet to vp check and pass it through to the oxlint invocation, matching vp lint --quiet: suppress warning diagnostics, still print errors, still fail on errors.

Alternative

No response

Additional context

No response

Validations

• Read the Contributing Guidelines.
• Confirm this request is for Vite+ itself and not for Vite, Vitest, tsdown, Rolldown, or Oxc.
• Check that there isn't already an issue requesting the same feature.