Enable ruff's flake8-comprehensions (C4) rules (#2887)

Author: seisman

examples/gallery/seismology/meca.py

@@ -29,7 +29,7 @@
 
 # Store focal mechanism parameters in a dictionary based on the Aki & Richards
 # convention
-focal_mechanism = dict(strike=330, dip=30, rake=90, magnitude=3)
+focal_mechanism = {"strike": 330, "dip": 30, "rake": 90, "magnitude": 3}
 
 # Pass the focal mechanism data through the spec parameter. In addition provide
 # scale, event location, and event depth

pyproject.toml

@@ -102,6 +102,7 @@ select = [
     "A",    # flake8-builtins
     "B",    # flake8-bugbear
     "BLE",  # flake8-blind-except
+    "C4",   # flake8-comprehensions
     "E",    # pycodestyle
     "F",    # pyflakes
     "FA",   # flake8-future-annotations