fix: Repository typo

Related #59

Co-authored-by: Rob van der Linde <robvdl@gmail.com>

Author: caffeine-addictt

CITATION.cff

@@ -32,7 +32,7 @@ keywords:
 license: BSD-3-Clause
 message: If you use this software, please cite it using these metadata.
 repository-code: https://github.com/python-thread/thread
-reposistory-artifact: https://pypi.org/project/thread
+repository-artifact: https://pypi.org/project/thread
 title: thread
 type: software
 version: 1.0.0