ticked up the year for the copyright statement

Author: szabo137

docs/conf.py

@@ -14,7 +14,7 @@
 # -- Project information -----------------------------------------------------
 
 project = "minterpy"
-copyright = "2021, Minterpy development team"
+copyright = "2022, Minterpy development team"
 author = "Uwe Hernandez Acosta"
 
 version = get_distribution(project).version