Release 0.22.6

# History

## 0.22.6

Install/update via the bootstrap script:

```shell
wget https://raw.githubusercontent.com/dokku/dokku/v0.22.6/bootstrap.sh
sudo DOKKU_TAG=v0.22.6 bash bootstrap.sh
```

### Bug Fixes

- #4295: @josegonzalez Update ps subcommands and triggers

### New Features

- #4286: @josegonzalez Add support for templated CHECKS files
- #4294: @josegonzalez Enhance ssh client logging output
- #4291: @josegonzalez Add log aggregation support via Vector
- #4288: @josegonzalez Add the pid of the dokku process to event logs
- #4289: @josegonzalez Clean precheck tmp file on exit

### Refactors

- #4287: @josegonzalez Refactor parallelized goroutines to use error groups

### Documentation

- #4292: @thomasfedb Update docs to note support for Ubuntu 20.04
- #4293: @ltalirz Fix path in persistent storage docs

### Other

- #4290: @josegonzalez Add support for debug logging plugin trigger stderr and stdout

docs/getting-started/install/docker.md

@@ -3,7 +3,7 @@
 Pull the dokku/dokku image:
 
 ```shell
-docker pull dokku/dokku:0.22.5
+docker pull dokku/dokku:0.22.6
 ```
 
 Next, run the image.
@@ -17,7 +17,7 @@ docker run \
   --publish 8443:443 \
   --volume /var/lib/dokku:/mnt/dokku \
   --volume /var/run/docker.sock:/var/run/docker.sock \
-  dokku/dokku:0.22.5
+  dokku/dokku:0.22.6
 ```
 
 Dokku is run in the following configuration: