feat: add miscellaneous policies in CEL expressions - Part 3

[Chandan-DK]

Related Issue(s)

Partially addresses #891

This PR includes the conversion of policies in the following folders:

• linkerd
• nginx-ingress
• openshift
• psa
• traefik

Description

Policies converted in this PR:

linkerd

• prevent-linkerd-pod-injection-override
• prevent-linkerd-port-skipping
• require-linkerd-mesh-injection

nginx-ingress

• disallow-ingress-nginx-custom-snippets
• restrict-annotations
• restrict-ingress-paths

openshift

• check-routes
• disallow-deprecated-apis
• disallow-jenkins-pipeline-strategy
• disallow-security-context-constraint-anyuid
• enforce-etcd-encryption

psa

• add-psa-namespace-reporting
• deny-privileged-profile

traefik

• disallow-default-tlsoptions

Checklist

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