Updated api client package reference

Author: FrostyApeOne

src/DfE.ExternalApplications.Application/DfE.ExternalApplications.Application.csproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="GovUK.Dfe.CoreLibs.Notifications" Version="0.1.5" />
-    <PackageReference Include="GovUK.Dfe.ExternalApplications.Api.Client" Version="0.1.30" />
+    <PackageReference Include="GovUK.Dfe.ExternalApplications.Api.Client" Version="0.1.31" />
     <PackageReference Include="Microsoft.AspNetCore.Http.Features" Version="2.3.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Abstractions" Version="2.3.0" />
   </ItemGroup>