Fix broken AWS permissions example link

[mbalc]

Q	A
Bug fix?	yes
New feature?	no
API breaks?	no
Deprecations?	no
Related tickets	none
License	Apache 2.0

What's in this PR?

README.md update

Why?

The previous link does not work

Checklist

• [x ] Code meets the Developer Guide
• [ x] User guide and development docs updated (if needed)
• [ x] Related Helm chart(s) updated (if needed)

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