bump version to 0.0.18

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Zesen Qian

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = nvidia-codec
-version = 0.0.17
+version = 0.0.18
 author = Zesen Qian
 author_email = nvidia-codec@riaqn.org
 description = Pythonic interface to Nvidia Codec