Release 0.24.3

# History

## 0.24.3

Install/update via the bootstrap script:

```shell
wget https://raw.githubusercontent.com/dokku/dokku/v0.24.3/bootstrap.sh
sudo DOKKU_TAG=v0.24.3 bash bootstrap.sh
```

### Bug Fixes

- #4496: @josegonzalez Ensure existing apps are initialized before modifying with code

### Documentation

- #4492: @josegonzalez Set better header colors for dark mode
- #4481: @bfontaine docs: fix a broken link

### Other

- #4495: @dependabot[bot] chore(deps): bump djangorestframework from 3.11.0 to 3.11.2 in /tests/apps/dockerfile-release
- #4494: @dependabot[bot] chore(deps): bump django from 3.0.7 to 3.1.6 in /tests/apps/dockerfile-release
- #4491: @dependabot-preview[bot] chore(deps): bump github.com/golang/protobuf from 1.4.3 to 1.5.1 in /tests/apps/gogrpc

README.md

@@ -99,8 +99,8 @@ Otherwise, you will need to import the keypair manually after installation using
 To install the latest stable release, run the following commands as a user who has access to `sudo`:
 
 ```shell
-wget https://raw.githubusercontent.com/dokku/dokku/v0.24.2/bootstrap.sh
-sudo DOKKU_TAG=v0.24.2 bash bootstrap.sh
+wget https://raw.githubusercontent.com/dokku/dokku/v0.24.3/bootstrap.sh
+sudo DOKKU_TAG=v0.24.3 bash bootstrap.sh
 ```
 
 You can then proceed to the ip address or domain name associated with your server to complete the web-based installation.