feat: Prepare next release cycle (4.5.0)

Author: HofmeisterAn

Directory.Build.props

@@ -2,7 +2,7 @@
 <Project>
   <PropertyGroup>
     <PackageId>$(AssemblyName)</PackageId>
-    <Version>4.4.0</Version>
+    <Version>4.5.0</Version>
     <AssemblyVersion>$(Version)</AssemblyVersion>
     <FileVersion>$(Version)</FileVersion>
     <Product>Testcontainers</Product>

src/Testcontainers/Containers/SocatContainer.cs

@@ -6,16 +6,13 @@ namespace DotNet.Testcontainers.Containers
   [PublicAPI]
   public sealed class SocatContainer : DockerContainer
   {
-    private readonly SocatConfiguration _configuration;
-
     /// <summary>
     /// Initializes a new instance of the <see cref="SocatContainer" /> class.
     /// </summary>
     /// <param name="configuration">The container configuration.</param>
     public SocatContainer(SocatConfiguration configuration)
       : base(configuration)
     {
-      _configuration = configuration;
     }
   }
 }