sage

9b1e18ff - gh-36664: ruff auto-fix for C4 in modular

gh-36664: ruff auto-fix for C4 in modular this was scripted using ``` ruff check --select=C4 --fix src/sage/modular/ ``` and is about simplifying list,set,dict comprehensions ### :memo: Checklist - [x] The title is concise, informative, and self-explanatory. - [x] The description explains in detail what this PR is about. URL: https://github.com/sagemath/sage/pull/36664 Reported by: Frédéric Chapoton Reviewer(s): David Ayotte