Remove and replace references to Discord in favor of GitHub Discussions and Support page.
Also update the copyright year.
Motivation and Context
Types of changes
[ ] Bug fix (non-breaking change which fixes an issue)
[ ] New feature (non-breaking change which adds functionality)
[ ] Breaking change (fix or feature that would cause existing functionality to change)
Checklist:
[ ] I have updated the documentation accordingly. If you are changing code related to user secrets you need to really make sure that security documentation is correct.
Description
Remove and replace references to Discord in favor of GitHub Discussions and Support page.
Also update the copyright year.
Motivation and Context
Types of changes
Checklist: