Bump version and add version to CHANGELOG.md

Signed-off-by: Rasmus Faber-Espensen <rfaber@gmail.com>

Author: rasmusfaber

CHANGELOG.md

@@ -14,8 +14,8 @@ and **Merged pull requests**. Critical items to know are:
 The versions coincide with releases on pip. Only major versions will be released as tags on Github.
 
 ## [0.0.x](https://github.com/oras-project/oras-py/tree/main) (0.0.x)
+- Add support for authentication with ECR registries (0.2.34)
  - Add support for Docker credsStore and credHelpers (0.2.34)
- - Add support for authentication with ECR registries
  - fix 'get_manifest()' method with adding 'load_configs()' calling (0.2.33)
  - fix 'Provider' method signature to allow custom CA-Bundles (0.2.32)
  - initialize headers variable in do_request (0.2.31)

docs/getting_started/user-guide.md

@@ -685,7 +685,7 @@ auth backend by setting the `auth_backend` to `ecr`:
 ```python
 import oras.client
 client = oras.client.OrasClient(auth_backend="ecr")
-client.pull(target="123456789012.dkr.ecr.us-east-1.amazonaws.com/my-repo:latest")   
+client.pull(target="123456789012.dkr.ecr.us-east-1.amazonaws.com/my-repo:latest")
 ```
 
 ## Custom Clients