[Stable Update] 2021-02-28 - Kernels, Plasma 5.21.1, Frameworks 5.79, Firefox, Thunderbird, Python

[omano]

[Testing Update] 2021-02-24 - Kernels, Plasma 5.21.1, Frameworks 5.79, Firefox, Thunderbird, Python

refind-theme-maia was dropped from the repos for the time being. Remove it and then update.