Bump Verify.NUnit from 25.3.2 to 26.2.0

Bumps [Verify.NUnit](https://github.com/VerifyTests/Verify) from 25.3.2 to 26.2.0.
- [Release notes](https://github.com/VerifyTests/Verify/releases)
- [Commits](VerifyTests/Verify@25.3.2...26.2.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

tests/SilkTouch/Silk.NET.SilkTouch.UnitTests.csproj

@@ -15,7 +15,7 @@
     <PackageReference Include="Silk.NET.BuildTools" Version="2.21.0" />
     <PackageReference Include="System.Linq.Async" Version="6.0.1" />
     <PackageReference Include="Verify.DiffPlex" Version="3.0.0" />
-    <PackageReference Include="Verify.NUnit" Version="25.3.2" />
+    <PackageReference Include="Verify.NUnit" Version="26.2.0" />
     <None Include="**/*.received.*" />
     <None Include="**/*.verified.*" />
   </ItemGroup>