Update dependency Soenneker.Extensions.String to 3.0.525 (#26)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

src/Soenneker.Normalizers.Ein.csproj

@@ -43,7 +43,7 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.5" />
-        <PackageReference Include="Soenneker.Extensions.String" Version="3.0.521" />
+        <PackageReference Include="Soenneker.Extensions.String" Version="3.0.525" />
         <PackageReference Include="Soenneker.Normalizers.Base" Version="3.0.5" />
     </ItemGroup>
 </Project>