Update worker slice gateway pod spec with openvpn server container SecurityContext

[pnavali]

📜 Description

Review and update worker slice gateway pod spec with openvpn server container SecurityContext (fix permissions - too permissive)

👟 Reproduction steps

Create a slice with 2 clusters

👍 Expected behavior

Container securitycontext needs to request minimum required permissions - please review and update

👎 Actual Behavior

Container spec security context requests too permissive

🐚 Relevant log output

No response

Version

No response

🖥️ What operating system are you seeing the problem on?

Linux

✅ Proposed Solution

No response

👀 Have you spent some time to check if this issue has been raised before?

• I checked and didn't find any similar issue

Code of Conduct

• I agree to follow this project's Code of Conduct