chore(deps): update dependency microsoft.net.sdk.functions to v4

Author: renovate-bot

src/Kubernetes.EventGrid.Bridge.Host/Kubernetes.EventGrid.Bridge.Host.csproj

@@ -12,7 +12,7 @@
     <PackageReference Include="Arcus.Observability.Telemetry.Serilog.Sinks.ApplicationInsights" Version="2.3.0" />
     <PackageReference Include="Guard.NET" Version="1.2.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Extensions" Version="1.1.0" />
-    <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="3.0.13" />
+    <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="4.0.1" />
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.14.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="Serilog.AspNetCore" Version="4.1.0" />