Fix typo in month abbreviation in README citation

Corrected the month abbreviation from 'Dece' to 'Dec' in the citation section of the README. This ensures proper formatting and readability of the reference.

Author: jacksonpradolima

README.md

@@ -242,7 +242,7 @@ If GSP-Py contributed to your research or project that led to a publication, we
 @misc{pradolima_gsppy,
   author       = {Prado Lima, Jackson Antonio do},
   title        = {{GSP-Py - Generalized Sequence Pattern algorithm in Python}},
-  month        = Dece,
+  month        = Dec,
   year         = 2024,
   doi          = {10.5281/zenodo.3333987},
   url          = {https://doi.org/10.5281/zenodo.3333987}