Adding support for p5.48xlarge and p4de.24xlarge instance types and Fix for FsX monitoring

[gallanik]

New GPU instance types added to the AWS instance family

Issue #, if available:

Description of changes: Modified prometheus/prometheus.yml to add p4de.24xlarge and p5.48xlarge. These are new GPU instance types released by AWS.

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[gallanik]

why do you need this?

@nicolaven - AWS has released new instance types and when I installed this tool, it did not pick up the p5 instances. Hence the need to include them.

[sean-smith]

We can't merge this with your branch. Please change.