QUARKUS-2527 - Add support for deprecated label to code.quarkus.redhat.com

JIRA: https://issues.redhat.com/browse/QUARKUS-2527

Add support for deprecated label for redhat-support to code.quarkus.redhat.com.

Scope of the testing

Ensure deprecated label for redhat-support is available in Filters section on https://code.quarkus.redhat.com/ pre-stage instance.

Ensure deprecated redhat-support label is rendered for quarkus-reactive-routes extension on https://code.quarkus.redhat.com/ pre-stage instance.

Impact on resources

No impact on resources for TS