Vaults work by encrypting each secret to help prevent unauthorized users from gaining access.
Flatpak package : https://drive.proton.me/urls/T62DDK71SM#p29umXTq17rl
Installation Command:
sudo apt install gocryptfs -y
sudo apt install flatpak -y
flatpak install https://dl.flathub.org/repo/appstream/io.github.mpobaschnig.Vaults.flatpakref
After installing Reboot your system