Use plugin notation in .rubocop.yml

This is valid and prefered since Rubocop 1.72.0

update some gems

update github token

Use latest rake_github.

Merge pull request #94 from jeroenhabets/ebs-volume-tags-79

Name and tag cluster worker EBS volumes

Merge pull request #95 from jeroenhabets/SECURITY_metadata_options

SECURITY: IMDSv2 support via new cluster_instance_metadata_options parameter

Update secrets

Add more secrets

Update CHANGELOG after merging PR.

Merge pull request #93 from jeroenhabets/main

Ignore cluster_desired_capacity following autoscaling