Update dependency AutoMapper to v15 [SECURITY]

Author: renovate[bot]

src/Core/Dfe.Complete.Application/Dfe.Complete.Application.csproj

@@ -3,7 +3,7 @@
 	  <UserSecretsId>540d3c9a-13ab-455b-bd72-c863b77b00bf</UserSecretsId>
 	</PropertyGroup>	
 	<ItemGroup>
-		<PackageReference Include="AutoMapper" Version="14.0.0" />
+		<PackageReference Include="AutoMapper" Version="15.1.3" />
 		<PackageReference Include="Dfe.AcademiesApi.Client" Version="1.0.11" />
 		<PackageReference Include="GovUK.Dfe.CoreLibs.AsyncProcessing" Version="1.0.12" />
 		<PackageReference Include="GovUK.Dfe.CoreLibs.Caching" Version="1.0.13" />

src/Tests/Dfe.Complete.Tests.Common/Dfe.Complete.Tests.Common.csproj

@@ -15,7 +15,7 @@
     <PackageReference Include="AutoFixture" Version="4.18.1" />
     <PackageReference Include="AutoFixture.AutoNSubstitute" Version="4.18.1" />
     <PackageReference Include="AutoFixture.Xunit2" Version="4.18.1" />
-    <PackageReference Include="AutoMapper" Version="14.0.0" />
+    <PackageReference Include="AutoMapper" Version="15.1.3" />
     <PackageReference Include="coverlet.collector" Version="6.0.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>