update: Simplified Kyverno configuration in Cloud Bursting lab, and minor updates to documentation in EKS Hybrid Nodes module

[gauravpriyolkar]

What this PR does / why we need it:

• Added requisite permissions to fix Kyverno errors while applying set-deletion-cost-for-nginx-on-hybrid mutation
• Improved readability with simplified Kyverno policy
• Simplified Kyverno helm configuration to minimize impact from future changes to default list of resource types skipped by Kyverno
• Minor documentation updates throughout Hybrid Nodes labs

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)
• The PR has meaningful title and description of the changes that will be included in the workshop release notes

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

[netlify]

✅ Deploy Preview for eks-workshop ready!

Name	Link
🔨 Latest commit	c03a452
🔍 Latest deploy log	https://app.netlify.com/sites/eks-workshop/deploys/67e0ba6dfb52b200080300ae
😎 Deploy Preview	https://deploy-preview-1327--eks-workshop.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[gauravpriyolkar]

@raykrueger PTAL

[raykrueger]

Let's not merge this till I can review and test please.