Update config.toml for release-v1.6.0-aws-b1.0.0 (awslabs#433) (awsla…

…bs#434)

Update config.toml for release-v1.6.0-aws-b1.0.0

By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 license.

update release version for checkout

Cherry pick few more bug fixes to 1.5.1-1.0.1 (awslabs#316)

* Set s3 endpoint in workflow-controller-configmap from pipeline-install-config (awslabs#291)

* Added support for non-root EFS files ownership (awslabs#268)

* Updated documentation about EFS permissions

* Added gid & uid to auto efs script

* Updated EFS CSI driver to v1.4.0

* feat/267 Updated documentation about EFS & added default value for uid & gid

* Update kserve.md (awslabs#304)

* update: Adding a missing preposition in cognito guide (awslabs#307)

The preposition "to" was missing in cognito guide

* add cdk support for private subnets detection (awslabs#295)

Co-authored-by: rrrkharse <91350438+rrrkharse@users.noreply.github.com>
Co-authored-by: Alexandre Brown <26939775+AlexandreBrown@users.noreply.github.com>
Co-authored-by: Gitesh Shinde <gitesh.shinde907@gmail.com>
Co-authored-by: Jobin <76947418+kjvjobin@users.noreply.github.com>
Co-authored-by: Theofilos Papapanagiotou <theofilos@gmail.com>

Point default of website to 1.5 (awslabs#286)

Add the workflow to point default of website to 1.5

OIDC for fsx test; cleanup kfp pods (awslabs#197)

* OIDC for fsx test

* Delete KFP Pipeline pods else PVC deletion hangs

Fix dex for Kubernetes 1.21 (awslabs#115)

**Which issue is resolved by this Pull Request:**
Pulling fix from kubeflow/manifests#1883 regarding an issue where dex pods were not getting creating the kubeflow namespace for EKS cluster running version 1.21.

**Description of your changes:**
Update dex deployment.yaml

**Checklist:**

CLI verifcation:
```
❮ kbl get pods -n auth
NAME                   READY   STATUS    RESTARTS   AGE
dex-5ddf47d88d-fh29t   1/1     Running   1          6m21s
```

- [x] Manual testing EKS v1.21 (verify fix)
  - [x] Verify pod in CLI
  - [x] Connect to central dashboard and run an experiment
- [x] Manual testing EKS v1.19 (verify fix doesn't break previous versions)
  - [x] Verify pod in CLI
  - [x] Connect to central dashboard and run an experiment