smolvm v1.4.2

What's Changed

• Surface crane's stderr when a layer blob fails to pull by @BinSquare in #544
• Propagate host file changes into the guest as fsnotify events for -v mounts by @BinSquare in #547
• Bundle the libkrunfw guest kernel with /proc/smolvm-fsnotify by @BinSquare in #548
• Bump smolvm to 1.4.2 by @BinSquare in #551

Full Changelog: v1.4.1...v1.4.2