sysutils/zellij: Update to upstream version 0.25.0
Details:
- Many bugfixes but also some notable features including tmux mode, see https://github.com/zellij-org/zellij/releases/tag/v0.25.0
MFH: 2022Q1
(cherry picked from commit a87cfc81367631daecfedfeae38e16dca3b63db7)