Handle GA4 data
Updates the site to handle new GA4 reporting data.
Other changes/updates in this release include:
- Incorporates USWDS into the site and deprecates the bourbon and neat libraries.
- Replaces layout grid, colors, fonts, and components with USWDS standards
- Adds official US government website banner
- Removes deprecated reports for Internet Explorer versions
- Addresses many accessibility issues as shown by scans with Axe Devtools, ANDI, and Pa11y.
- Enforces static code analysis and unit tests in CI for all branches.
- Adds reminder to check logs for issues via CI
- Updates the node run time to v20.x which will be the long term support version of NodeJS until Q1 2026.
- Improve the repo README document to inform onboarding of new developers.