chore(deps): update arcus.observability monorepo to v2.5.0 (#4)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

src/Promitor.DataGeneration.CustomMetrics/Promitor.DataGeneration.CustomMetrics.csproj

@@ -4,8 +4,8 @@
     <AzureFunctionsVersion>v3</AzureFunctionsVersion>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Arcus.Observability.Telemetry.AzureFunctions" Version="2.1.0" />
-    <PackageReference Include="Arcus.Observability.Telemetry.Serilog.Sinks.Applicationinsights" Version="2.1.0" />
+    <PackageReference Include="Arcus.Observability.Telemetry.AzureFunctions" Version="2.5.0" />
+    <PackageReference Include="Arcus.Observability.Telemetry.Serilog.Sinks.Applicationinsights" Version="2.5.0" />
     <PackageReference Include="Arcus.Security.AzureFunctions" Version="1.7.0" />
     <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="3.0.13" />
     <PackageReference Include="Serilog.Extensions.Logging" Version="3.0.1" />