* Add experimental composite samplers
* Add new environment variables to the SDK
OTEL_PYTHON_EXPORTER_OTLP_{HTTP/GRPC}_{METRICS/TRACES/LOGS}_CREDENTIAL_PROVIDER
that can be used to inject a requests.Session or
grpc.ChannelCredentials object into OTLP exporters created
during auto instrumentation
* Permit to override default HTTP OTLP exporters headers
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-opentelemetry-test-utils?expand=0&rev=18