There's a merged pull request on the void-packages repository

keepassxc: update to 2.6.0
https://github.com/void-linux/void-packages/pull/22764

Description:
~This PR is a preview and will be update to 2.6.0 release if that happens.~

New Release

Don't be surprised by their new icons and theming, https://github.com/keepassxreboot/keepassxc/issues/4838