feat: make typer an optional dep in group cli

[kod-kristoff]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 66.66667% with 2 lines in your changes missing coverage. Please review.

Project coverage is 80.7%. Comparing base (d678472) to head (2e59d1f).

Files with missing lines	Patch %	Lines
sb_json_tools/cli.py	66.6%	2 Missing ⚠️

Additional details and impacted files

Files with missing lines	Coverage Δ
sb_json_tools/cli.py	76.0% <66.6%> (-5.9%)	⬇️