refactor: add context handling in various functions

- Modified functions to accept context.Context as a parameter for better context management.
- Updated Init methods in Proxmox and Config to use the provided context.
- Adjusted UpdatePorts and NewProxmoxProvider to utilize the context for operations.

internal/config/state.go

@@ -292,7 +292,7 @@ func (state *state) initProxmox() error {
 
 	errs := gperr.NewBuilder()
 	for _, cfg := range proxmoxCfg {
-		if err := cfg.Init(); err != nil {
+		if err := cfg.Init(state.task.Context()); err != nil {
 			errs.Add(err.Subject(cfg.URL))
 		}
 	}