Update deprecated AWS elastic IP address configuration

[arkid15r]

Purpose/Implementation Notes

Replace deprecated syntax with a new one (the actual change is about domain = "vpc")

Types of changes

• Bugfix (non-breaking change which fixes an issue)

Checklist

• [x] Lint and unit tests pass locally with my changes
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have added necessary documentation (if appropriate)
• [ ] Any dependent changes have been merged and published in downstream modules