refactor!(projects): Make arguments kw-only

To make passing as a configuration file (#315 and
vcs-python/vcspull#362) easier, deprecate
positional arguments.

See also:
- PEP 570: https://peps.python.org/pep-0570/
- https://peps.python.org/pep-0570/#:~:text=def%20kwd_only_arg*%2C%20arg)(%3A)

Author: tony

libvcs/projects/base.py

@@ -4,8 +4,8 @@
 from typing import NamedTuple
 from urllib import parse as urlparse
 
-from libvcs.types import StrPath
 from libvcs._internal.run import CmdLoggingAdapter, mkdir_p, run
+from libvcs.types import StrPath
 
 logger = logging.getLogger(__name__)
 
@@ -41,7 +41,7 @@ class BaseProject:
     #: vcs app name, e.g. 'git'
     bin_name = ""
 
-    def __init__(self, url, dir: StrPath, progress_callback=None, *args, **kwargs):
+    def __init__(self, *, url: str, dir: StrPath, progress_callback=None, **kwargs):
         r"""
         Parameters
         ----------