feat(module/asg): Introduce Instance Refresh for ASG module

[sebastianczech]

Description

PR introduces new feature for ASG module - instance refresh, which can be customized by allowing to change every possible attribute for instance refresh block.

Motivation and Context

416

How Has This Been Tested?

Code was tested by extending example isolated_design_autoscale and deploying it in the lab.

Types of changes

• New feature (non-breaking change which adds functionality)

Checklist

• [x] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes if appropriate.
• [x] All new and existing tests passed.

[sebastianczech]

/help

ChatOPS built in help:

Currently supported commands include:

• /sca - run all SCA tests via pre-commit
• /validate - run terraform validate
• /plan - plan the infrastructure (only examples)
• /apply - deploy the infrastructure and destroy afterwards (only examples)
• /idempotence - test idempotence: deploy, plan and destroy afterwards (only examples).

The 1^st command does not take arguments, the remaining take two:

• paths - a space delimitied list of module paths
• tf_version - (optional, defaults to the latest available) a space delimited list of Terraform versions to test the infrastrucure against.

Examples:

# run idempotence tests on listed modules with Terraform versions: 1.2 (latest patch available), 1.4 (latest patch available), 1.5.4.
/idempotence paths="examples/combined_design examples/panorama_standalone" tf_version="1.2 1.4 1.5.4"

# run validation tests with the latest available Terraform version on listed modules.
/validate paths="modules/vmseries modules/vpc examples/combined_design"

[sebastianczech]

/idempotence paths="examples/centralized_design_autoscale examples/combined_design_autoscale examples/isolated_design_autoscale"

Testing job ID: 7253921886 Job result: SUCCESS

[sebastianczech]

Changes are going to be deployed in new repository in PR https://github.com/PaloAltoNetworks/terraform-aws-swfw-modules/pull/3