feat(RAIN-90870): Add permission for five waf-regional APIs

[jjzhangjjzhang]

Summary

AWS securityaudit policy doesn't have permission for these five waf APIs, we need these APIs in link ticket https://lacework.atlassian.net/browse/RAIN-90597

How did you test this change?

Without this PR and the terraform apply, we see errors like

17:04:46.545 dev8.k8s.local aws-cfg-collector-shard-default 2023-11-10 01:04:46.545 +0000  ERROR    [pid: 23238] [ThreadPoolExecutor-1_0] pyservicecrawler.crawlers - envGuid="DEV8_B895FFBB65A0D5A2E543F62A2CB3CD9343293637C75D5C9BA80", startTime="1699585380000", assignmentSerial="00000475-of-00001853", msg="Exceptions were seen when fetching page with the message:", error_msg="An error occurred (AccessDeniedException) when calling the ListRules operation (reached max retries: 0): User: arn:aws:sts::631664038012:assumed-role/madroxqan-laceworkcwssarole/LACEWORK-CFG-external is not authorized to perform: waf-regional:ListRules on resource: arn:aws:waf-regional:eu-south-1:631664038012:rule/* because no identity-based policy allows the waf-regional:ListRules action", service="waf-regional", method_name="list_rules"

With this PR and terraform apply, the error is gone.

Issue