Log Message:
wm/fvwm3: update release 1.0.8

# CHANGES
## 1.0.8 (2023-09-04)

### Enhancements
* Add .desktop entry for XSession by @Zirias
### Other Changes
* FvwmScript: fix rendering of checkboxes by @ThomasAdam
* Ls/manpage by @lgsobalvarro in https://github.com/fvwmorg/fvwm3/pull/874
* SnapAttraction: honor all tokens mentioned in the manpage by @ch-f
* docs: FvwmPerl: fixup examples by @ThomasAdam
* default-config: use primary mon for RightPanel by @ThomasAdam
* XGetWindowProp: accommodate NUL byte by @ThomasAdam
* FvwmPager: fix division by zero by @ThomasAdam
* *: code cleanup: remove if (x) free checks by @ThomasAdam
* FvwmPrompt: preserve quotes, etc by @ThomasAdam
* conditional: Screen+Desk is not mutually-exclusive by @ThomasAdam
* sizehints: tighten check by @ThomasAdam
* CursorStyle: fix panframe cursors by @ThomasAdam
* FvwmPager: add fpmonitor impls for widths/heights by @ThomasAdam
* MaskUsedModifiers: remove bits used for XKB group index by @farblos