Fix meter name

Author: ramonsmits

src/ServiceControl.Audit/HostApplicationBuilderExtensions.cs

@@ -81,7 +81,7 @@ public static void AddServiceControlAudit(this IHostApplicationBuilder builder,
                     serviceInstanceId: settings.InstanceName))
                 .WithMetrics(b =>
                 {
-                    b.AddMeter("ServiceControl");
+                    b.AddMeter(AuditMetrics.MeterName);
                     b.AddOtlpExporter(e =>
                     {
                         e.Endpoint = otelMetricsUri;

src/ServiceControl.Audit/Infrastructure/AuditMetrics.cs

@@ -4,6 +4,7 @@ namespace ServiceControl.Audit;
 
 static class AuditMetrics
 {
-    public static readonly Meter Meter = new("Particular.ServiceControl", "0.1.0");
+    public const string MeterName = "Particular.ServiceControl";
+    public static readonly Meter Meter = new(MeterName, "0.1.0");
     public static readonly string Prefix = "particular.servicecontrol.audit";
 }