- User alert routing enabled on ROSA clusters

- PrometheusRule used to trigger AWS Lambda webhook in the event of a
  split-brain so that only a single site remains in the global accelerator endpoints

- Global Accelerator scripts refactored to use OpenTofu when creating
  AWS resources

- Task created to deploy/undeploy Active/Active

- Task created to simulate split-brain scenarios

- 'active-active' flag added to GH actions to differentiate between
  active/passive and active/active deployments

- 'active-active' and 'active-passive' tags added to crossdc-tests to
  allow different behaviours/tests to be executed for the given
  deployment type.

- Active/Active specific test cases added. Testsuite now interacts
  directly with k8s clusters in order to have greater control over
  deployments being tested. This is necessary so that we can simulate
  split-brain scenarios between sites.

- Daily scheduled job updated to run tests against both active/passive
  and active/active deployments

Signed-off-by: Ryan Emerson <[email protected]>
Co-authored-by: Michal Hajas <[email protected]>
Co-authored-by: Pedro Ruivo <[email protected]>
Signed-off-by: Ryan Emerson <[email protected]>

…adoc

Co-authored-by: Michal Hajas <[email protected]>

Signed-off-by: Ryan Emerson <[email protected]>

Signed-off-by: Ryan Emerson <[email protected]>