[New Rule] Adding Coverage for `AWS Discovery API Calls via CLI from …

…a Single Resource` (#4246)

* adding new rule 'AWS Multiple Discovery API Calls via CLI from a Single Resource'

* adjusted name

* adjusted ESQL functions

* changed query comment

* Update rules/integrations/aws/discovery_ec2_multiple_discovery_api_calls_via_cli.toml

* adjusted query

* added min-stack

* adjusted query

(cherry picked from commit c602042)

rules/integrations/aws/discovery_ec2_multi_region_describe_instances.toml

@@ -1,7 +1,8 @@
 [metadata]
 creation_date = "2024/08/26"
+integration = ["aws"]
 maturity = "production"
-updated_date = "2024/10/09"
+updated_date = "2024/11/04"
 
 [rule]
 author = ["Elastic"]