Bug fixes

- Decorate watchdog events with all necessary properties to match D7 module.
- Various code style fixes.
- Added config schema
- Added kernel test

Fixes a bug where disabled fields were still included in resource object schemas.

Bugfixes:

• Issue #3089948 by chrissnyder, cherussery: PAGE VISIBILITY - Limit by Page is not working

New Features:

• Issue #3091856 by chrissnyder: Add ability to define how frequently the browser will update the alerts

• Add ability to choose between Browser-based or HTTP header-based language detection
• Add ability to change cookie name prefix to be able to reset visitor cookies
• Refine routine that shows default language redirect URL
• Refine admin UI.

Now that the Pantheon MariaDB issue (https://www.drupal.org/project/jsonapi/issues/3022864) has been resolved, Intercept now runs on Drupal 8.7. Users should upgrade to Drupal 8.7 as soon as possible.

• Issue #3089248 by tyleryoungblood: Fixes missing field label on /reserve-equipment.
• Issue #3028489 by kaythay, pixelwhip, attheshow, tyleryoungblood: Updates to Drupal 8.7 JSONAPI
• Additional Sprint 11 changes

Fixes a bug in the regex that stripped the versions from CDN URLs