feat(argo-cd): Add Gateway API support

[pdrastil]

Resolves: https://github.com/argoproj/argo-helm/issues/2634

Draft to get initial feedback from community

Checklist:

• [ ] I have bumped the chart version according to versioning
• [ ] I have updated the documentation according to documentation
• [ ] I have updated the chart changelog with all the changes that come with this pull request according to changelog.
• [ ] Any new values are backwards compatible and/or have sensible default.
• [ ] I have signed off all my commits as required by DCO.
• [ ] My build is green (troubleshooting builds).