Update conformance/jsonschema_dingus.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: jo-mueller

conformance/jsonschema_dingus.py

@@ -17,7 +17,7 @@
 from jsonschema.exceptions import ValidationError
 
 HERE = Path(__file__).resolve().parent
-SCHEMA_DIR = HERE / "ngff_spec" / "schemas"
+SCHEMA_DIR = HERE.parent / "schemas"
 
 
 @dataclass