Bump setuptools from 70.3.0 -> 75.1.0 (#361)

Author: zanieb

pythonbuild/downloads.py

@@ -286,10 +286,10 @@
         "license_file": "LICENSE.readline.txt",
     },
     "setuptools": {
-        "url": "https://files.pythonhosted.org/packages/ef/15/88e46eb9387e905704b69849618e699dc2f54407d8953cc4ec4b8b46528d/setuptools-70.3.0-py3-none-any.whl",
-        "size": 931070,
-        "sha256": "fe384da74336c398e0d956d1cae0669bc02eed936cdb1d49b57de1990dc11ffc",
-        "version": "70.3.0",
+        "url": "https://files.pythonhosted.org/packages/ff/ae/f19306b5a221f6a436d8f2238d5b80925004093fa3edea59835b514d9057/setuptools-75.1.0-py3-none-any.whl",
+        "size": 1248506,
+        "sha256": "35ab7fd3bcd95e6b7fd704e4a1539513edad446c097797f2985e0e4b960772f2",
+        "version": "75.1.0",
     },
     # Remember to update verify_distribution.py when version changed.
     "sqlite": {