Aws waf region (#48953)

* Add waiter for AWSRegional

* Add support for WAF Regional

* Add support for regional waf web acl

* Remove set_trace, pep formatting

* Add paginator for regional_waf

* Change name of param for waf_regional

This is more in line with how AWS refers to the service. Additional
 changes made to how client is called. Used ternary to reduce if
 statements

* Change parameter name to waf_regional

* Add support for removal waf regional condition

* Change parameter from cloudfront to waf_regional

* Added state: absent waf rule

* Remove set_trace

* Add integration tests for waf regional

* WIP: adding region parameter to tests

* Add support for waf facts module

* Add region to waf regional integration tests

* Update security policy for waf regional testing

* Add type to documentation for waf_regional param

lib/ansible/module_utils/aws/waiters.py

@@ -305,6 +305,12 @@ waiters_by_name = {
         core_waiter.NormalizedOperationMethod(
             waf.get_change_token_status
         )),
+    ('WAFRegional', 'change_token_in_sync'): lambda waf: core_waiter.Waiter(
+        'change_token_in_sync',
+        waf_model('ChangeTokenInSync'),
+        core_waiter.NormalizedOperationMethod(
+            waf.get_change_token_status
+        )),
     ('EKS', 'cluster_active'): lambda eks: core_waiter.Waiter(
         'cluster_active',
         eks_model('ClusterActive'),