chore(deps): update dependency nsubstitute to v6

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
NSubstitute (source)	5.* → 6.*

---

Release Notes

nsubstitute/NSubstitute (NSubstitute)

v6.0.0

No changes from Release Candidate 1.

v5.3.0

• [NEW] Introduced Substitute.ForTypeForwardingTo to create substitutes that forward interceptable calls to a concrete class. This provides an easy way of implementing a test spy over an existing type. Designed and implemented by @​marcoregueira in #​700 from a proposal by @​wsaeed. Thanks to all who contributed to discussions of this feature.
• [NEW] Support Raise.EventWith default constructor (#​788) by @​mihnea-radulescu in #​813
• [NEW] Implement When(...).Throws to avoid confusion with Throw method (#​803) by @​mihnea-radulescu in #​818
• [FIX] Arg.Any<Arg.AnyType>() does not match arguments passed by reference (#​787) by @​mihnea-radulescu in #​811
• [FIX] Support matching arguments whose type is generic, when their concrete type is not known (#​786) by @​mihnea-radulescu in #​814
• [FIX] Release build workflow (#​797)
• [DOC] Add Throws for exceptions to the docs by @​304NotModified in #​795
• [DOC] Remove Visual Studio for Mac from readme by @​Romfos in #​807
• [TECH] Migrate from NUnit 3 to NUnit 4 by @​Romfos in #​783
• [TECH] Update build project to .net 8 by @​Romfos in #​776
• [TECH] Code style: use C# 12 collection literals by @​Romfos in #​810
• [TECH] Use c# 12 primary constructors by @​Romfos in #​812
• [TECH] Added csharp_style_prefer_primary_constructors into editorconfig by @​Romfos in #​819

Thanks to first-time contributors @​mihnea-radulescu and @​marcoregueira! Thanks also @​304NotModified and @​Romfos for their continued support and contributions to this release.

v5.1.0

• [DOC] Add clickable headings. Thanks @​jheinath! (#​729)
• [UPDATE] Update Castle.Core to 5.1.1-* to support C# 9 covariants. Thanks @​siblount to tracking this down. (#​730)
• [UPDATE] Improved support for testing ILogger. Thanks to @​zlangner for this contribution, and also thanks to @​Saibamen for reviewing this PR. (#​732)
• [NEW] Add Arg.AnyType for matching calls with generic parameters. Thanks @​icalvo for implementing and documenting this! (#​634, #​715, #​733)

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • At any time (no schedule defined)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.