Update the changelog with hcanges since 0.21

CHANGELOG.rst

@@ -1,6 +1,56 @@
 CHANGELOG
 =========
 
+
+0.3.0a7 (2024-11-27)
+------------------
+
+**Breaking changes**
+
+* Simplify the project structure and debugging by @tatiana in #93
+
+In order to improve the development and troubleshooting DAGs created with this provider, we introduced breaking changes
+to the folder structure. It was flattened and the import paths to existing decorators, hooks, operators and trigger
+changed, as documented in the table below:
+
++-----------+---------------------------------------------+-----------------------------------------+
+| Type      | Previous import path                        | Current import path                     |
++===========+=============================================+=========================================+
+| Decorator | ray_provider.decorators.ray.ray             | ray_provider.decorators.ray             |
+| Hook      | ray_provider.hooks.ray.RayHook              | ray_provider.hooks.RayHook              |
+| Operator  | ray_provider.operators.ray.DeleteRayCluster | ray_provider.operators.DeleteRayCluster |
+| Operator  | ray_provider.operators.ray.SetupRayCluster  | ray_provider.operators.SetupRayCluster  |
+| Operator  | ray_provider.operators.ray.SubmitRayJob     | ray_provider.operators.SubmitRayJob     |
+| Trigger   | ray_provider.triggers.ray.RayJobTrigger     | ray_provider.triggers.RayJobTrigger     |
++-----------+---------------------------------------------+-----------------------------------------+
+
+**Features**
+
+* Dynamic configuration support by @tatiana in #94 (TODO: change)
+* Support running Ray jobs indefinitely without timing out by @venkatajagannath and @tatiana in #74
+
+**Bug fixes**
+
+* Fix integration test and bug in load balancer wait logic by @pankajastro in #85
+* Bugfix: Better exception handling and cluster clean up by @venkatajagannath in #68
+
+**Docs**
+
+* Add docs to deploy project on Astro Cloud by @pankajastro in #90
+* Fix dead reference in docs index page by @pankajastro in #87
+* Cloud Auth documentation update by @venkatajagannath in #58
+* Improve main docs page by @TJaniF in #71
+
+**Others**
+
+* Fix the local development environment and update documentation by @tatiana in #92
+* Enable secrect detection precommit check by @pankajastro in #91
+* Add astro cli project + kind Raycluster setup instruction by @pankajastro in #83
+* Update CODEOWNERS by @tatiana in #84
+* Allow tests to run for PRs from forked repos by @venkatajagannath in #72
+* CI improvement by @venkatajagannath in #73
+* CI fix related to broken coverage upload artifact by @pankajkoti in #60
+
 0.2.1 (2024-09-04)
 ------------------