v2.47.4

Changelog

Fixes

• d6ad485 fix: Fix potential panic when textconv interpreter is empty
• b4df44d fix: Fix panic on empty external

Documentation updates

• 872c584 docs: Add troubleshooting entry on missing /bin/bash on Nix
• 8b2a435 docs: Add install.doctor to related software
• 3a3dd13 docs: Add links to articles