feat: set up foundations for the VPC network

[dduportal]

Related to jenkins-infra/helpdesk#4315 and jenkins-infra/helpdesk#4320

• Add report generation to export outputs to reports.jenkins.io
• Add a custom Route53 Zone to manage records of AWS resources
• Set up VPC CIDR by using automatic calculation to limit the risk of human mistakes
• Move controller to a public subnet (instead of a private subnet) for easier connectivity
• Bump shared tools sub module
• Set up network security (ACL and subnets) for controller and VM-agents subnets
• Increase VM agents subnet size to allow ~500 agents

[dduportal]

• Plan: 37 to add, 4 to change, 16 to destroy. as per the checks
• Tested manually along with a VM created in the controller subnet with success. Checked effective network restrictions with:
  • SSH from VPN VM, but forbidden from my personal network
  • Trying Internet outbound for HTTP/HTTPS and LDAPS:

    curl -I -4 https://www.google.com
    curl -I -6 https://www.google.com
    curl -4 ldaps://ldap.jenkins.io

  • Trying inbound requests by installing an Nginx server and checking with https://ip6.nl/: