build+ci: sync with ndn-cxx

Change-Id: Iff3ad63469eccb47571ba4abd3d42936f0cd8650
diff --git a/docs/conf.py b/docs/conf.py
index d1a6386..5fcfc13 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -10,7 +10,7 @@
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information
 
 project = 'NDNS: Domain Name Service for Named Data Networking'
-copyright = 'Copyright © 2014-2023 Named Data Networking Project.'
+copyright = 'Copyright © 2014-2025 Named Data Networking Project.'
 author = 'Named Data Networking Project'
 
 # The short X.Y version.