feat(service): configure opentelemetry (#1342)

<!--- Provide a general summary of your changes in the Title above -->

## Description

<!--- Describe your changes in detail -->

Configures opentelemetry for Service. Copy pasta from WebAPI.

Dependent on #1341

## Related Issue(s)

- #1262

## Verification

- [ ] **Your** code builds clean without any errors or warnings
- [ ] Manual testing done (required)
- [ ] Relevant automated test added (if you find this hard, leave it and
we'll help out)

## Documentation

- [ ] Documentation is updated (either in `docs`-directory, Altinnpedia
or a separate linked PR in
[altinn-studio-docs.](https://github.com/Altinn/altinn-studio-docs), if
applicable)


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **New Features**
- Enhanced logging and telemetry configuration during application
startup.
	- Introduced a modular approach to configuring telemetry settings.

- **Bug Fixes**
- Improved error handling during application startup to ensure
exceptions are logged appropriately.

- **Refactor**
- Updated method signature for improved telemetry configuration
handling.
- Removed direct call to Application Insights, streamlining telemetry
integration.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

src/Digdir.Domain.Dialogporten.Service/Digdir.Domain.Dialogporten.Service.csproj

@@ -3,7 +3,6 @@
     <ItemGroup>
         <PackageReference Include="Serilog.AspNetCore" Version="8.0.3" />
         <PackageReference Include="Serilog.Sinks.ApplicationInsights" Version="4.0.0"/>
-        <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.22.0"/>
     </ItemGroup>
 
     <ItemGroup>

src/Digdir.Domain.Dialogporten.Service/Program.cs

@@ -11,18 +11,18 @@
 using Digdir.Library.Utils.AspNet;
 using MassTransit;
 
+// Using two-stage initialization to catch startup errors.
+var telemetryConfiguration = TelemetryConfiguration.CreateDefault();
 Log.Logger = new LoggerConfiguration()
     .MinimumLevel.Warning()
     .Enrich.FromLogContext()
     .WriteTo.Console(formatProvider: CultureInfo.InvariantCulture)
-    .WriteTo.ApplicationInsights(
-        TelemetryConfiguration.CreateDefault(),
-        TelemetryConverter.Traces)
+    .WriteTo.ApplicationInsights(telemetryConfiguration, TelemetryConverter.Traces)
     .CreateBootstrapLogger();
 
 try
 {
-    BuildAndRun(args);
+    BuildAndRun(args, telemetryConfiguration);
 }
 catch (Exception ex) when (ex is not OperationCanceledException)
 {
@@ -34,7 +34,7 @@
     Log.CloseAndFlush();
 }
 
-static void BuildAndRun(string[] args)
+static void BuildAndRun(string[] args, TelemetryConfiguration telemetryConfiguration)
 {
     var builder = WebApplication.CreateBuilder(args);
 
@@ -43,9 +43,7 @@ static void BuildAndRun(string[] args)
         .ReadFrom.Configuration(context.Configuration)
         .ReadFrom.Services(services)
         .Enrich.FromLogContext()
-        .WriteTo.ApplicationInsights(
-            services.GetRequiredService<TelemetryConfiguration>(),
-            TelemetryConverter.Traces));
+        .WriteTo.ApplicationInsights(telemetryConfiguration, TelemetryConverter.Traces));
 
     builder.Configuration
         .AddAzureConfiguration(builder.Environment.EnvironmentName)
@@ -64,8 +62,9 @@ static void BuildAndRun(string[] args)
         )
         .ToArray();
 
+    builder.ConfigureTelemetry();
+
     builder.Services
-        .AddApplicationInsightsTelemetry()
         .AddAzureAppConfiguration()
         .AddApplication(builder.Configuration, builder.Environment)
         .AddInfrastructure(builder.Configuration, builder.Environment)