Michael Blumberg

[Feature] Support AWS ISO (US) partition's regions

2

### What feature/behavior/change do you want? Support for us-iso-east-1 and us-iso-west-1 regions ### Why do you want this feature? unable to use eksctl for those regions

Support custom AWS_CA_BUNDLE

3

**What happened**: Set the AWS_CA_BUNDLE environment variable in order to operate in the ISO region and received the following error: ``` failed to instantiate AWS session: LoadCustomCABundleError: unable to load...