Log Message:
PC6001VX: update to 4.1.1.

Tested on NetBSD/amd64 9.3 and NetBSD/i386 9.3 with qt6 packages.

Upstream changes:

4.1.1 2023/01/05
* (Windows)Fixed issue in opening file with Japanese file name.

4.1.0 2023/01/01
* Merged upstream PC6001V version 2.0.4.
  * Introduce Romaji input method for KANA characters. It can be toggled
    by ALT+F12.
* Updated PC-6001mk2/6601 compatible basic ROMs to 0.4.1.
* Fixed replay/playback inconsistency.

4.0.0 2022/12/03
* 4.0 final release.

4.0.0Beta2 2022/08/05
* Merged upstream PC6001V version 2.0.3.
* Endode movie in background thread. This makes better performance of
  video capturing.
* Fixed issue joystick did not work.

4.0.0Beta1 2022/02/28
* Merged upstream PC6001V version 2.0.2.
* Migrated to Qt6 from Qt5. Now Qt6.2 or higher is required to build.