fix(query): fp for ECS Cluster with Container Insights Disabled -- cloudformation/aws

[AndrePereira123]

Closes #7338

Reason for Proposed Changes

• As disclosed in 7338, currently the query wrongfully flags instances of "ClusterSettings"`s value being set to "enhanced".
• "enhanced" is supported by official documentation which explicitly states this value is "To use Container Insights with enhanced observability"

Proposed Changes

• Simple expansion to the "container_insigths" helper function.
• New negative3 test to assure "enhanced" value does not flag.

I submit this contribution under the Apache-2.0 license.

[gitguardian]

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🔎 Detected hardcoded secret in your pull request

GitGuardian id	GitGuardian status	Secret	Commit	Filename
20838717	Triggered	Generic Password	3f5bfc5	assets/queries/azureResourceManager/sql_server_database_with_alerts_disabled/test/negative8.bicep	View secret

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