Update copy_marlin_variant_to_framework.py

buildroot/share/PlatformIO/scripts/copy_marlin_variant_to_framework.py

 import os,shutil
 from SCons.Script import DefaultEnvironment
 from platformio import util
-from platformio.managers.package import PackageManager
+try:
+    # PIO < 4.4
+    from platformio.managers.package import PackageManager
+except ImportError:
+    # PIO >= 4.4
+    from platformio.package.meta import PackageSpec as PackageManager
+
+def parse_pkg_uri(spec):
+    if PackageManager.__name__ == 'PackageSpec':
+        return PackageManager(spec).name
+    else:
+        name, _, _ = PackageManager.parse_pkg_uri(spec)
+        return name
 
 def copytree(src, dst, symlinks=False, ignore=None):
     for item in os.listdir(src):
 if len(platform_packages) == 0:
     platform_name = framewords[platform.__class__.__name__]
 else:
-    platform_name, _, _ = PackageManager.parse_pkg_uri(platform_packages[0])
+    platform_name = parse_pkg_uri(platform_packages[0])
 
 FRAMEWORK_DIR = platform.get_package_dir(platform_name)
 assert os.path.isdir(FRAMEWORK_DIR)