Add troubleshooting documentation for CAPV session issue (aws#8439)

EKS Anywhere v0.20.0 release

Update the HookOS customization doc: (aws#8181)

There is a new and much simpler process now.

Signed-off-by: Jacob Weinstock <jakobweinstock@gmail.com>

EKS Anywhere v0.19.7 release

Bump braces from 3.0.2 to 3.0.3 in /docs (aws#8297)

Bumps [braces](https://github.com/micromatch/braces) from 3.0.2 to 3.0.3.
- [Changelog](https://github.com/micromatch/braces/blob/master/CHANGELOG.md)
- [Commits](micromatch/braces@3.0.2...3.0.3)

---
updated-dependencies:
- dependency-name: braces
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Add control plane failure domains feature for Nutanix provider (aws#8192

)

* Add failure domains support for Nutanix Provider

 - change Nutanix Datacenter CRD
 - change templates
 - generate manifests
 - add unittest

* Fix lint error

* Regenerate deepcopy files

* Fix PR comments

 - add validation
 - fix template
 - add unittest for validation

* Add validations and unit tests

* Allow updating failure domains for existing clusters

Allow downloading private objects from S3 (aws#8229)

[PR BOT] Generate release testdata files (aws#8209)

[PR BOT] Generate release testdata files (aws#8160)