More fixes to support arch distros.

ptlinux/self_update.py

@@ -639,6 +639,7 @@ def _validate_release_directory(release: Path) -> str:
 		Path("ptlinux") / PUBLIC_KEY_FILENAME,
 		Path("ptdiag/__init__.py"),
 		Path("ptdiag/assbin.py"),
+		Path("ptdiag/logs.py"),
 	):
 		if not (release / required).is_file():
 			raise LauncherUpdateError(f"launcher release is missing {required}")