update CHANGELOG and bump version to 1.6.0 (#369)

Author: xrmx

CHANGELOG.md

@@ -1,5 +1,16 @@
 # Elastic Distribution of OpenTelemetry Python Changelog
 
+## v1.6.0
+
+- Prepend our own User agent to the OpenTelemetry SDK one (#363)
+- Enable containerid resource detector (#361)
+- Silence harmless warning about trace sampler rate not set (#356)
+- Bump to OTel 1.35.0 (#360)
+
+  Upstream changes:
+  * https://github.com/open-telemetry/opentelemetry-python/discussions/4682
+  * https://github.com/open-telemetry/opentelemetry-python-contrib/discussions/3634
+
 ## v1.5.0
 
 - Switch default sampler to `parentbased_traceidratio` (#351)

docs/release-notes/index.md

@@ -27,6 +27,25 @@ To check for security updates, go to [Security announcements for the Elastic sta
 % ### Fixes [edot-python-X.X.X-fixes]
 % *
 
+## 1.6.0 [edot-python-1.6.0-release-notes]
+
+### Features and enhancements [edot-python-1.6.0-features-enhancements]
+
+- Prepend our own User agent to the OpenTelemetry SDK one ([#363](https://github.com/elastic/elastic-otel-python/pull/363))
+
+  For the GRPC exported they will look like `elastic-otlp-grpc-python/1.6.0 OTel-OTLP-Exporter-Python/1.35.0 grpc-python/1.74.0 grpc-c/49.0.0 (linux; chttp2)` and for the http exporter like `elastic-otlp-http-python/1.6.0 OTel-OTLP-Exporter-Python/1.35.0`.
+- Enable containerid resource detector to set the `container.id` attribute when running under a container using Linux cgroups ([#361](https://github.com/elastic/elastic-otel-python/pull/361))
+- Bump to OTel 1.35.0: better handling of exporters timeout ([#360](https://github.com/elastic/elastic-otel-python/pull/360))
+
+  Upstream changes:
+  * [opentelemetry-python](https://github.com/open-telemetry/opentelemetry-python/discussions/4682)
+  * [opentelemetry-python-contrib](https://github.com/open-telemetry/opentelemetry-python-contrib/discussions/3634)
+
+
+### Fixes [edot-python-1.6.0-fixes]
+
+- Silence harmless warning about trace sampler rate not set ([#356](https://github.com/elastic/elastic-otel-python/pull/356))
+
 ## 1.5.0 [edot-python-1.5.0-release-notes]
 
 ### Features and enhancements [edot-python-1.5.0-features-enhancements]

src/elasticotel/distro/version.py

@@ -14,4 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "1.5.0"
+__version__ = "1.6.0"