Log Message:
PageEdit: update to 1.9.10.

PageEdit-1.9.10
  New Features
   - support building with Qt6
   - make Qt6 versions use their own ini file for settings
   - add Ctrl+PgUp/PgDown shortcuts to Prev and Next actions

  Bug Fixes
   - harden URLInterceptor to dead QWidget bugs in Qt
   - setMovable true on QToolbars to work around broken linux theme issues
   - update sigil gumbo version with upstream fixes