Update tomli requirement from >=2.0 to >=2.4.1 (#6)

Raise the Python 3.10 TOML parser floor to the release that bounds pathological key parsing after the protected matrix passed.

Author: dependabot[bot]

requirements-audit.txt

@@ -1,4 +1,4 @@
 # Runtime dependencies only. CI resolves these constraints and audits the full transitive set.
 httpx>=0.27,<1
 rich>=13.7,<15
-tomli>=2.0; python_version < "3.11"
+tomli>=2.4.1; python_version < "3.11"