Purpose of PR?:
The SCC (Security Context Constraints) file is needed as a pre-requisite to successfully deploy KubeArmor on an OpenShift cluster. With the addition of Network Policy Enforcer, KubeArmor daemonset now also requests the NET_ADMIN capability. This PR updates the allowed capabilities list by adding this capability.

Fixes #

Does this PR introduce a breaking change?
No

If the changes in this PR are manually verified, list down the scenarios covered:

Additional information for reviewer? :
Mention if this PR is part of any design or a continuation of previous PRs

Checklist:

• Bug fix. Fixes #
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update
• PR Title follows the convention of <type>(<scope>): <subject>
• Commit has unit tests
• Commit has integration tests