Bring OpenSUSE 15.3 and 15.4

[vicentebolea]

OpenSUSE 15.1 is long deprecated, we really need to provide support to the latest OpenSUSE leap 15.4 and the previous leap to be on the safer side

[cloud-native-bot[bot]]

Hello There!

Thanks for your contribution! This repository is a read-only mirror of the following repository: https://gitlab.com/nvidia/container-toolkit/libnvidia-container

Do you mind:

• [ ] Opening a pull request against that repo?
• [ ] Making sure your work is signed: https://help.github.com/en/github/authenticating-to-github/signing-commits

Thanks again!

[vicentebolea]

Transferred to https://gitlab.com/nvidia/container-toolkit/libnvidia-container/-/merge_requests/183