Add resource limits to OPA Gatekeeper

Package Owner Merge Request

Package Changes

Adds requests and limits for OPA Gatekeeper to be compliant with guaranteed quality of service.

• https://repo1.dso.mil/platform-one/big-bang/apps/core/policy/-/merge_requests/83/diffs#679c9c413d4749f4bd9d593879d89e405b2e471e
• https://repo1.dso.mil/platform-one/big-bang/apps/core/policy/-/releases/3.5.1-bb.9

Additional Details

Closes https://repo1.dso.mil/platform-one/big-bang/apps/core/policy/-/issues/71