Release 0.19.5

# History

## 0.19.5

Install/update via the bootstrap script:

```shell
wget https://raw.githubusercontent.com/dokku/dokku/v0.19.5/bootstrap.sh
sudo DOKKU_TAG=v0.19.5 bash bootstrap.sh
```

### Bug Fixes

- #3756: @jayjun Redirect missing key_file warning to stderr

debian/control

@@ -1,5 +1,5 @@
 Package: dokku
-Version: 0.19.4
+Version: 0.19.5
 Section: web
 Priority: optional
 Architecture: amd64