CalcMySky-0.2.1-bp155.1.8

- Update to 0.2.1:
  * ShowMySky library now has soname;
  * ShowMySky library name depends on major version of Qt,
    so that the versions for Qt5 and for Qt6 can be installed simultaneously;
  * The library can now be used via CMake's CPM without installing;
  * Fixed error handling on macOS (ShowMySky used to crash on any errors);
  * Various OpenGL state management fixes;
  * Rendering the Sun in zero order scattering now correctly takes
    custom Solar spectrum into account.

- Initial OBS release.