docs: Fix typo
Fix typo: librdbd1 -> librbd1
Fixes:
1. Install the unsatisfied dependencies
- Kata Containers packages depends on a version of `librdbd1` that's not yet available in the `stable` repo.
- A more recent version of `librdbd1` can be installed from the `unstable` repo: https://packages.debian.org/sid/librbd1
+ Kata Containers packages depends on a version of `librbd1` that's not yet available in the `stable` repo.
+ A more recent version of `librbd1` can be installed from the `unstable` repo: https://packages.debian.org/sid/librbd1
Add `unstable` repo to `/etc/apt/sources.list.d/unstable.list` sources list:
