chore(deps): update verify to 31.25.0

[thomhurst]

This PR contains the following updates:

Package	Type	Update	Change
Verify	nuget	minor	31.24.3 → 31.25.0
Verify.NUnit	nuget	minor	31.24.3 → 31.25.0
Verify.TUnit	nuget	minor	31.24.3 → 31.25.0

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Release Notes

VerifyTests/Verify (Verify)

v31.25.0

Compare Source

• #​1758 UseProjectRelative + SourceFileRelativeDirectory
• #​1800 Add mirror source structure for verified files

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[claude]

Code review

No issues found. This is a minimal dependency version bump (Verify, Verify.NUnit, Verify.TUnit: 31.24.3 → 31.25.0) in Directory.Packages.props, with all three related packages kept in sync. Trivial and low-risk.