Add comprehensive network interface management for Proxmox VE nodes:

- proxmox_node_network: Manage network interfaces (bridge, bond, eth, vlan, OVS)
- proxmox_node_network_info: Retrieve network interface information
- Support for staged configuration changes with apply/revert functionality
- Full validation for interface-specific parameters
- Comprehensive test coverage
- Update runtime.yml to include new modules in proxmox action group
- Support for parameter deletion

Author: aleskxyz

meta/runtime.yml

@@ -26,6 +26,8 @@ action_groups:
     - proxmox_nic
     - proxmox_node
     - proxmox_node_info
+    - proxmox_node_network
+    - proxmox_node_network_info
     - proxmox_pool
     - proxmox_pool_member
     - proxmox_snap