Release 0.26.6

# History

## 0.26.6

Install/update via the bootstrap script:

```shell
wget https://raw.githubusercontent.com/dokku/dokku/v0.26.6/bootstrap.sh
sudo DOKKU_TAG=v0.26.6 bash bootstrap.sh
```

### Bug Fixes

- #4919: @nerg4l fix: do not validate global flag as an app name
- #4918: @josegonzalez Use netrc binary to properly release dokku client homebrew formula

docs/assets/versions.json

@@ -23,6 +23,6 @@
     "0.23.9",
     "0.24.10",
     "0.25.7",
-    "0.26.5"
+    "0.26.6"
   ]
 }