flake.lock: Update
Flake lock file updates:
• Updated input 'tangled':
'git+https://tangled.org/@tangled.org/core?ref=refs/heads/master&rev=d4c067fd49797b6af5d36f7547894627a34ab326' (2026-01-26)
→ 'git+https://tangled.org/tangled.org/core?ref=refs/heads/master&rev=d4c067fd49797b6af5d36f7547894627a34ab326' (2026-01-26)