Add mutation policies for some Pod Security Standards controls

[KhaledEmaraDev]

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Related Issue(s)

Description

This adds Mutate Pod Security Policies for allowPrivilegeEscalation and runAsNonRoot.

Checklist

• [x] I have read the policy contribution guidelines.
• [x] I have added test manifests and resources covering both positive and negative tests that prove this policy works as intended.
• [x] I have added the artifacthub-pkg.yml file and have verified it is complete and correct.