(packer-images): Add Linux AMD64 and ARM64 AMIs For EC2 agents

[jayfranco999]

Due to the complexity of this PR – jenkins-infra/packer-images#1430

We are splitting the tasks into 4 stages, this issue is related to adding linux AMD64 and ARM64 AMIs for our jenkins EC2 agents.

We are reintroducing the amazon logic that we were using with our previous AWS jenkins account – jenkins-infra/packer-images#734

• Add amazon-ebs builder logic in Jenkinsfile_k8s
• Include EC2 source for build-jenkins-agent-ubuntu.pkr.hcl
• Add datasources.pkr.hcl to look-up ubuntu-22_04 AMI id for respective architecture
• Define aws_instance_types in locals.pkr.hcl
• Include Amazon plugin for packer-images
• Define all the common settings for AWS base image AMI's in sources.pkr.hcl
• Add AWS related packer-image variables (AWS region and credentials)

Originally posted by @jayfranco999 in #4316 (comment)

[github-actions]

Take a look at these similar issues to see if there isn't already a response to your problem:

1. 74% (packer-images): Add Win-19, Win-22 (AMD64 and ARM64) AMIs For EC2 agents #4354

[dduportal]

• Merged feat(ubuntu):Add an amazon-ebs AMI builder packer-images#1447
• https://github.com/jenkins-infra/packer-images/releases/tag/2.5.0 and https://github.com/jenkins-infra/packer-images/releases/tag/2.7.0 where releases with success.

Closing as this task is done. If we detect minor issues when testing, we'll track them separately