5.4.3.0-leisure

[5.4.3.0] 2023-04-05, leisure

https://github.com/gridcoin-community/Gridcoin-Research/releases/tag/5.4.3.0

This is a very small intramilestone leisure release to integrate a few hotfixes
after 5.3.2.0.

In particular the workaround for backup wallet is important for those running
Linux with Boost 1.74 and whom have replaced the usual walletbackups
subdirectory with a symlink to another volume to redirect the automatic backups.

Added

• install: Enhance windows installer - detect running gridcoinresearch(d).exe and ask to close before continuing #2672 (@jamescowens)
• gui: Add one minute QTimer to update beacon age/expiration in tooltip #2671 (@jamescowens)

Changed

none

Removed

none

Fixed

• util: Implement workaround for backupwallet to deal with Boost 1.74 regression on copy_file #2669 (@jamescowens)
• banman: use GetPerformanceCounter instead of GetRandBytes #2668 (@div72)