Release 0.19.9

# History

## 0.19.9

Install/update via the bootstrap script:

```shell
wget https://raw.githubusercontent.com/dokku/dokku/v0.19.9/bootstrap.sh
sudo DOKKU_TAG=v0.19.9 bash bootstrap.sh
```

### Bug Fixes

- #3781: @michaelshobbs Respect DOKKU_APP_USER in is_image_herokuish_based

### Other

- #3773: @dependabot-preview[bot] chore(deps): bump google.golang.org/grpc from 1.25.0 to 1.25.1 in /tests/apps/gogrpc
- #3772: @dependabot-preview[bot] chore(deps): bump gunicorn from 19.9.0 to 20.0.0 in /tests/apps/multi
- #3778: @dependabot-preview[bot] chore(deps): [security] bump symfony/http-foundation from 3.4.32 to 3.4.35 in /tests/apps/php
- #3768: @dependabot-preview[bot] chore(deps): bump google.golang.org/grpc from 1.24.0 to 1.25.0 in /tests/apps/gogrpc

docs/getting-started/installation.md

@@ -21,8 +21,8 @@ To install the latest stable version of Dokku, you can run the following shell c
 
 ```shell
 # for debian systems, installs Dokku via apt-get
-wget https://raw.githubusercontent.com/dokku/dokku/v0.19.8/bootstrap.sh;
-sudo DOKKU_TAG=v0.19.8 bash bootstrap.sh
+wget https://raw.githubusercontent.com/dokku/dokku/v0.19.9/bootstrap.sh;
+sudo DOKKU_TAG=v0.19.9 bash bootstrap.sh
 ```
 
 The installation process takes about 5-10 minutes, depending upon internet connection speed.