devel/electron25: update to 25.8.4
Changelog:
- https://github.com/electron/electron/releases/tag/v25.8.3
- https://github.com/electron/electron/releases/tag/v25.8.4
Reported by: GitHub (watch releases)
MFH: 2023Q4
Security: 2bcd6ba4-d8e2-42e5-9033-b50b722821fb
(cherry picked from commit 5abcc5779b38825d7716dd23b195444e6c66f0c4)