Release 0.25.2

# History

## 0.25.2

Install/update via the bootstrap script:

```shell
wget https://raw.githubusercontent.com/dokku/dokku/v0.25.2/bootstrap.sh
sudo DOKKU_TAG=v0.25.2 bash bootstrap.sh
```

### Bug Fixes

- #4760: @josegonzalez Add missing rsync to OS dependency list for git:sync command

### New Features

- #4761: @josegonzalez Correct permissions for userns support
- #4742: @ashkulz bootstrap: add support for Debian 11 (bullseye)

### Documentation

- #4747: @erickedji Fix process management references to formation key in app.json

### Other

- #4753: @dependabot[bot] chore(deps): bump socket.io from 4.1.3 to 4.2.0 in /tests/apps/.websocket.disabled
- #4750: @dependabot[bot] chore(deps-dev): bump heroku/heroku-buildpack-php from 196 to 197 in /tests/apps/php
- #4758: @ltalirz Fix typo in network docs
- #4748: @trival Remove spare backtick in 0.25.0-migration-guide.md

docs/assets/style.css

@@ -42,13 +42,13 @@ h1 {
   font-size: 1.6em;
 }
 .header .navbar-brand a {
-  background-image: url(https://cdn.jsdelivr.net/gh/dokku/dokku@v0.25.1/docs/assets/dokku.png);
+  background-image: url(https://cdn.jsdelivr.net/gh/dokku/dokku@v0.25.2/docs/assets/dokku.png);
   text-indent: 40px;
 }
 .blurb {
   color: #424242;
   background-color: #ededed;
-  background-image: url(https://cdn.jsdelivr.net/gh/dokku/dokku@v0.25.1/docs/assets/gplaypattern.png);
+  background-image: url(https://cdn.jsdelivr.net/gh/dokku/dokku@v0.25.2/docs/assets/gplaypattern.png);
   padding: 45px 0;
   text-align: center;
 }