docs: add aks and rke2 to supported distros (#961)

## Description
Updating docs to reflect that AKS and RKE2 are now tested in CI.


## Type of change

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [x] Other (security config, docs update, etc)

## Checklist before merging

- [x] Test, docs, adr added or updated as needed
- [ ] [Contributor
Guide](https://github.com/defenseunicorns/uds-template-capability/blob/main/CONTRIBUTING.md)
followed

docs/reference/UDS Core/distribution-support.md

@@ -12,6 +12,6 @@ UDS Core is a versatile software baseline designed to operate effectively across
 
 | Distribution    | Category               | Support Level                                                                                             |
 | --------------- | ---------------------- | --------------------------------------------------------------------------------------------------------- |
-| K3d/K3s, Amazon EKS | Tested                 | Supported Kubernetes distributions undergoing testing in CI environments.                                 |
+| K3d/K3s, Amazon EKS, Azure AKS, RKE2 on AWS | Tested                 | Supported Kubernetes distributions undergoing testing in CI environments.                                 |
 | RKE2            | Tested                 | Supported Kubernetes distribution tested in production environments other than CI.                        |
 | Other           | Untested/Unknown state | Compatible Kubernetes distributions that are not explicitly tested, documented, or supported by UDS Core. |