textproc/py-zensical: Update to 0.0.52
Changelogs:
https://github.com/zensical/zensical/releases/tag/v0.0.52
https://github.com/zensical/zensical/releases/tag/v0.0.51
MFH: 2026Q3
(cherry picked from commit 4bd0c1540552126db92170b8939e51052a700ab7)