v2.6.0

Added

• OpenTelemetry metrics for request counts, duration, and errors (#336)

Changed

• Unified SSL enforcement and enum handling across requests (#361)
• Consolidated per-request JsonSerializerOptions for POST bodies (#329)
• Removed reflection from the Duration and OverviewPolyline JSON converters (#327)
• Hardened transit/air-quality integration tests and VCR timestamp normalization (#355)
• NuGet publish is now gated behind a required-reviewer environment (#335)
• Removed the obsolete root .nuspec (#326)
• Updated the .agents knowledge base to match the merged VCR harness (#334)
• Updated dependencies: .NET monorepo packages (#359), Microsoft.NET.Test.Sdk 18.8.1 (#358, #357, #323), Microsoft.CodeAnalysis.PublicApiAnalyzers 5.6.0 (#343), dotnet-stryker 4.16.0 (#345, #322), GoogleMapsApi.Extensions.DependencyInjection 2.5.0 (#325)
• Updated CI actions: actions/setup-dotnet v6 (#360, #330), actions/checkout v7 (#315), github/codeql-action v4.37.0 (#352, #341), actions/attest-build-provenance v4.1.1 (#332), testglance/action digests

Fixed

• Corrected the scope of the tracing status tag (#328)