docs: Add notes about instanceStorePolicy that can help prevent deadlock

[bclodius]

Fixes #7543

Description

• Adds note about instanceStorePolicy based on internal experience shared in Additional notes about instanceStorePolicy for EC2 Node Class #7543

How was this change tested?

• N/A doc update only

Does this change impact docs?

• Yes, PR includes docs updates
• Yes, issue opened: #
• No

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

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[bclodius]

[engedaam]

@bclodius Any update here?

[bclodius]

@engedaam Thanks for the suggestion I'll take care of this today

[engedaam]

LGTM 🚀

[coveralls]

Pull Request Test Coverage Report for Build 12800041847

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
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• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 64.983%

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Totals
Change from base Build 12777192606:	0.0%
Covered Lines:	5775
Relevant Lines:	8887

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💛 - Coveralls