fix: merge resource attributes into existing tracers

feat: support principal propagation on list mcp tools (SAP#151)

fix: adapt event_type to be fetched from descriptop (SAP#109)

fix: pin opentelemetry-instrumentation-langchain and add telemetry in…

…tegration tests

fix: bump OTel and traceloop versions

feat(agentgateway): add client-owned token cache (SAP#142)

feat: use dedicated fragments for AGW token generation (SAP#137)

Co-authored-by: Max Heidinger <max.heidinger@sap.com>

fix(secret-resolver): update secret resolver logic when set SERVICE_B…

…INDING_ROOT (SAP#121)

feat: add DestinationHttpClient to simplify calls to target systems (S…

…AP#119)

Release v0.20.2