Update dependency Microsoft.Extensions.DependencyInjection.Abstractions to v8

Author: renovate[bot]

src/ElectricityMap.DotNet.Client/ElectricityMap.DotNet.Client.csproj

@@ -20,7 +20,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="5.0.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="System.Collections" Version="4.3.0" />
   </ItemGroup>