Bump Verify.NUnit from 17.10.2 to 18.4.0
Bump Verify.NUnit from 17.10.2 to 18.4.0

Bumps [Verify.NUnit](https://github.com/VerifyTests/Verify) from 17.10.2 to 18.4.0.
- [Release notes](https://github.com/VerifyTests/Verify/releases)
- [Commits](https://github.com/VerifyTests/Verify/compare/17.10.2...18.4.0)

---
updated-dependencies:
- dependency-name: Verify.NUnit
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
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