Add package `389-ds-base` to extended

[mfrw]

### Tasks
- [ ] https://github.com/microsoft/azurelinux/pull/10546
- [ ] https://github.com/microsoft/azurelinux/pull/10545
- [ ] https://github.com/microsoft/azurelinux/pull/10570
- [ ] https://github.com/microsoft/azurelinux/pull/10572