Resiliency changes

[vishdivg]

What this PR does / why we need it:

It includes changes for PR 1052 as well some other changes for chaos engineering module in observability section

Which issue(s) this PR fixes:

Fixes #

Quality checks

• [ ] My content adheres to the style guidelines
• [ ] I ran make test module="<module>" it was successful (see https://github.com/aws-samples/eks-workshop-v2/blob/main/docs/automated_tests.md)

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

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[mergify[bot]]

⚠️ The sha of the head commit of this PR conflicts with #1052. Mergify cannot evaluate rules on this PR. ⚠️