:arrow_up: upgrade otel 1.6 (#347)
* :arrow_up: upgrade to 1.6.0 snapshot release
* :heavy_plus_sign: add grpc to smoke tests
* :arrow_up: upgrade sdk to 1.6.0
* :heavy_plus_sign: add missing otel sdk dependency
* :recycle: update for breaking API changes
* :arrow_up: upgrade to non snapshot release
* :arrow_up: upgrade otel patch version
* :heavy_plus_sign: add grpc runtime dependencies for smoke test app
* :bug: save context in property for access/removal in entity interceptor
* :alembic: disable client pipeline replacement'
* :bug: fix bug with incorrect tracing handler name in replacement
* :arrow_up: upgrade dependencies
