Bump ruff from 0.7.2 to 0.7.3 (#1601)

requirements/testing.txt

@@ -7,7 +7,7 @@ pytest==8.3.3
 pytest-asyncio==0.24.0
 pytest-cov==6.0.0
 pytest-icdiff==0.9
-ruff==0.7.2
+ruff==0.7.3
 setuptools==75.3.0
 tox==4.23.2
 tox-gh-actions==3.2.0