Release 0.21.2

# History

## 0.21.2

Install/update via the bootstrap script:

```shell
wget https://raw.githubusercontent.com/dokku/dokku/v0.21.2/bootstrap.sh
sudo DOKKU_TAG=v0.21.2 bash bootstrap.sh
```

### Bug Fixes

- #4072: @Schlepptop Fix deprecation warning in config_all

### New Features

- #4061: @josegonzalez Drop go sum and mod files from releases

### Refactors

- #4064: @hugopeixoto Use *_PATH consistently

### Documentation

- #4069: @josegonzalez Scheduler plugins are no longer beta
- #4068: @josegonzalez Official plugins are no longer in beta
- #4066: @ltalirz Add ansible as installation route
- #4063: @josegonzalez Clarify why we stop/rebuild apps during upgrade
- #4040: @fonsp Added link to the buildpack plugin docs
- #4062: @hugopeixoto Rewrite upgrade instructions

contrib/dokku-installer.py

@@ -15,7 +15,7 @@ import subprocess
 import sys
 import threading
 
-VERSION = 'v0.21.1'
+VERSION = 'v0.21.2'
 
 def bytes_to_string(b):
     if type(b) == bytes: