fix: show PY version instead of driver version (microsoft#1068)

Author: mxschmitt

playwright/__main__.py

@@ -17,12 +17,14 @@
 import sys
 
 from playwright._impl._driver import compute_driver_executable
+from playwright._repo_version import version
 
 
 def main() -> None:
  driver_executable = compute_driver_executable()
  env = os.environ.copy()
  env["PW_CLI_TARGET_LANG"] = "python"
+ env["PW_CLI_DISPLAY_VERSION"] = version
  completed_process = subprocess.run([str(driver_executable), *sys.argv[1:]], env=env)
  sys.exit(completed_process.returncode)