learn

Bump lodash from 4.17.21 to 4.17.23 in /frontend

Bump tar from 7.5.2 to 7.5.6 in /frontend

Merge pull request #1293 from gusthoff/content/advanced_ada/new_content/numerics/decimal_fixed_point_types/20251003

Improve comparison to floating-point types

Editorial change: add todo item