hatch: Update the implementation to use --python switch

Switch from --directory to --python switch to simplify `uv pip install` command.

Author: vpetrigo

src/hatch/cli/application.py

@@ -166,7 +166,7 @@ def ensure_plugin_dependencies(self, dependencies: list[Requirement], *, wait_me
             uv_bin = find_uv_bin()
             pip_command = [uv_bin, 'pip']
 
-        pip_command.extend(['install', '--directory', str(pathlib.Path(sys.executable).parent.parent)])
+        pip_command.extend(['install', '--python', sys.executable])
 
         # Default to -1 verbosity
         add_verbosity_flag(pip_command, self.verbosity, adjustment=-1)

tests/helpers/helpers.py

@@ -55,8 +55,8 @@ def assert_plugin_installation(subprocess_run, dependencies: list[str], *, verbo
         uv_bin,
         'pip',
         'install',
-        '--directory',
-        str(pathlib.Path(sys.executable).parent.parent),
+        '--python',
+        sys.executable,
     ]
     add_verbosity_flag(command, verbosity, adjustment=-1)
     command.extend(dependencies)