replace unnecessary Task interface with struct

internal/net/http/loadbalancer/loadbalancer.go

@@ -27,7 +27,7 @@ type (
 		impl
 		*Config
 
-		task task.Task
+		task *task.Task
 
 		pool   Pool
 		poolMu sync.Mutex
@@ -52,7 +52,7 @@ func New(cfg *Config) *LoadBalancer {
 }
 
 // Start implements task.TaskStarter.
-func (lb *LoadBalancer) Start(routeSubtask task.Task) E.Error {
+func (lb *LoadBalancer) Start(routeSubtask *task.Task) E.Error {
 	lb.startTime = time.Now()
 	lb.task = routeSubtask
 	lb.task.OnFinished("loadbalancer cleanup", func() {

internal/net/http/middleware/errorpage/error_page.go

@@ -73,7 +73,7 @@ func loadContent() {
 	}
 }
 
-func watchDir(task task.Task) {
+func watchDir(task *task.Task) {
 	eventCh, errCh := dirWatcher.Events(task.Context())
 	for {
 		select {

internal/net/http/server/server.go

@@ -24,7 +24,7 @@ type Server struct {
 	httpsStarted bool
 	startTime    time.Time
 
-	task task.Task
+	task *task.Task
 
 	l zerolog.Logger
 }