Release 0.21.3

# History

## 0.21.3

Install/update via the bootstrap script:

```shell
wget https://raw.githubusercontent.com/dokku/dokku/v0.21.3/bootstrap.sh
sudo DOKKU_TAG=v0.21.3 bash bootstrap.sh
```

### Bug Fixes

- #4077: @Schlepptop Fix config_all bug introduced in 0.21.2
- #4074: @josegonzalez Force set all plugin permissions on plugin:install/update

### Documentation

- #4073: @josegonzalez Document the official shell client

docs/assets/versions.json

@@ -18,6 +18,6 @@
     "0.18.5",
     "0.19.13",
     "0.20.4",
-    "0.21.2"
+    "0.21.3"
   ]
 }