Log Message:
devel/hs-auto-update: update to auto-update-0.2.6

## 0.2.6

* Using the thread version of AutoUpdate for non-threaded RTS.
  [#1020](https://github.com/yesodweb/wai/pull/1020)

## 0.2.5

* Thread less autoupdate
  [#1018](https://github.com/yesodweb/wai/pull/1018)

## 0.2.4

* Simple refactoring.

## 0.2.3

* [#996](https://github.com/yesodweb/wai/pull/996):
  Refactored the `Control.Debounce` logic to not leak threads.
* [#996](https://github.com/yesodweb/wai/pull/996):
  Added extra `DebounceEdge` options for different types of debouncing.
  * `LeadingMute`: Action on first trigger, and ignore any triggers during cooldown
  * `TrailingDelay`: First trigger starts cooldown, and
    triggers during cooldown extend the cooldown. Action when cooldown expires.

## 0.2.2

* NewAPI: updateThreadName, reaperThreadName, debounceThreadName:
  Names can be given via this field to threads
  for GHC.Conc.Sync.listThreads.

## 0.2.1

* Labeling threads.