chore: update values as per p50 numbers

[nearora-msft]

What type of PR is this?
/kind chore

What this PR does / why we need it:
This PR updates the requested cpu and memory usage values to p50 numbers. This change was suggested in a review comment of the aks-rp PR.

Which issue(s) this PR fixes:

Fixes #

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests
• tested upgrade from previous version

Special notes for your reviewer:

Release note:

none

[k8s-ci-robot]

@nearora-msft: The label(s) kind/chore cannot be applied, because the repository doesn't have them.

In response to this:

What type of PR is this?
/kind chore

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Requirements:

• uses conventional commit messages

• includes documentation

• adds unit tests

• tested upgrade from previous version

Special notes for your reviewer:

Release note:

none

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[nearora-msft]

/retest

[nearora-msft]

/assign @edreed @landreasyan

[edreed]

/lgtm

[edreed]

/approve

[nearora-msft]

/retest

[nearora-msft]

/retest

[andyzhangx]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx, edreed, nearora-msft

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• OWNERS [andyzhangx,edreed]

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