Pod Security Context (#14)

Apply the following Pod Security Context configurations across all
adapters, irrespective of the server codebase:

- Set allowPrivilegeEscalation: false to disallow privilege escalation.
- Enforce non-root execution by specifying a non-root runAsUser.
- Define CPU and memory limits to ensure resource control.

Network policies will be addressed separately, considering the
requirement for MCP servers to communicate with internal services