Update conf.py

docs/source/conf.py

@@ -76,7 +76,7 @@ def setup(app):
 
 # General information about the project.
 project = u'HDMF-common Specification'
-copyright = u'2019-2023, The Regents of the University of California, through Lawrence Berkeley National Laboratory (subject to receipt of any required approvals from the U.S. Dept. of Energy).  All rights reserved.'
+copyright = u'2019-2024, The Regents of the University of California, through Lawrence Berkeley National Laboratory (subject to receipt of any required approvals from the U.S. Dept. of Energy).  All rights reserved.'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the