chore(deps): update dependency verify.nunit to 30.18.0 (#3168)

Co-authored-by: Renovate Bot <renovate@whitesourcesoftware.com>

Author: thomhurst

Directory.Packages.props

@@ -83,7 +83,7 @@
     <PackageVersion Include="Testcontainers.Redis" Version="4.7.0" />
     <PackageVersion Include="trxparser" Version="0.5.0" />
     <PackageVersion Include="Verify" Version="30.18.0" />
-    <PackageVersion Include="Verify.NUnit" Version="30.17.0" />
+    <PackageVersion Include="Verify.NUnit" Version="30.18.0" />
     <PackageVersion Include="TUnit" Version="0.61.13" />
     <PackageVersion Include="TUnit.Core" Version="0.61.13" />
     <PackageVersion Include="TUnit.Assertions" Version="0.61.13" />