Merge pull request #247 from asottile/update-max-py-version

update --max-py-version to 3.13

Author: asottile

README.md

@@ -127,7 +127,7 @@ A few sources are searched for guessing `python_requires`:
 classifiers are generated based on:
 
 - the `python_requires` setting
-- the `--max-py-version` argument (currently defaulting to `3.11`)
+- the `--max-py-version` argument
 - `--include-version-classifiers` is specified
 
 ```diff
@@ -140,6 +140,7 @@ classifiers are generated based on:
 +    Programming Language :: Python :: 3.9
 +    Programming Language :: Python :: 3.10
 +    Programming Language :: Python :: 3.11
++    ...
 ```
 
 without `--include-version-classifiers` only the major version will be included:

setup_cfg_fmt.py

@@ -519,7 +519,7 @@ def main(argv: Sequence[str] | None = None) -> int:
         help=argparse.SUPPRESS,
     )
     parser.add_argument('--min-py-version', type=_ver_type, default=(3, 8))
-    parser.add_argument('--max-py-version', type=_ver_type, default=(3, 12))
+    parser.add_argument('--max-py-version', type=_ver_type, default=(3, 13))
     args = parser.parse_args(argv)
 
     if args.min_py3_version: