Describe the bug
The documentation webpage https://containrrr.dev/watchtower/ is still based on the master branch, fixes and updates committed to main do not appear.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'https://containrrr.dev/watchtower/'
2. Click on 'Edit this page'
3. See error

Expected behavior
Documentation webpage would show current documentation.

Screenshots
If applicable, add screenshots to help explain your problem.

Additional context
Discovered when erroneously trying to commit to master branch documentation due to not noticing the project had switch to using main.