chore: bump http kit (#817)

* use new httpkit runner

* refactor out last httpkit changes

* fix timeout defaults

* fix wrong time input - closes #819

backend/app/api/bgrunner.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"context"
+	"time"
+)
+
+type BackgroundTask struct {
+	name     string
+	Interval time.Duration
+	Fn       func(context.Context)
+}
+
+func (tsk *BackgroundTask) Name() string {
+	return tsk.name
+}
+
+func NewTask(name string, interval time.Duration, fn func(context.Context)) *BackgroundTask {
+	return &BackgroundTask{
+		Interval: interval,
+		Fn:       fn,
+	}
+}
+
+func (tsk *BackgroundTask) Start(ctx context.Context) error {
+	timer := time.NewTimer(tsk.Interval)
+
+	for {
+		select {
+		case <-ctx.Done():
+			return nil
+		case <-timer.C:
+			timer.Reset(tsk.Interval)
+			tsk.Fn(ctx)
+		}
+	}
+}