Add programmatic year setting in docs

Author: Ickerday

docs/conf.py

@@ -11,7 +11,7 @@
 # All configuration values have a default; values that are commented out
 # serve to show the default.
 
-import sys, os
+from datetime import datetime
 
 import splunklib
 
@@ -43,7 +43,7 @@
 
 # General information about the project.
 project = "Splunk SDK for Python"
-copyright = "2024, Splunk Inc"
+copyright = f"{datetime.now().year}, Splunk Inc."
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the