Update copyright

This PR updates copyright information.
- Update year to 2026
- Use "Contributors to Hyperledger Fabric" consistently with NOTICE

Signed-off-by: Tatsuya Sato <tatsuya.sato.so@hitachi.com>

Author: satota2

NOTICE

@@ -1,5 +1,5 @@
 Hyperledger Fabric
-Copyright [2016-2025] contributors to Hyperledger Fabric
+Copyright [2016-2026] Contributors to Hyperledger Fabric
 
 This product includes software developed at
 Hyperledger (http://www.hyperledger.org/).

docs/source/_templates/footer.html

@@ -18,7 +18,7 @@
       {%- if hasdoc('copyright') %}
         {% trans path=pathto('copyright'), copyright=copyright|e %}&copy; <a href="{{ path }}">Copyright</a> {{ copyright }}.{% endtrans %}
       {%- else %}
-        {% trans copyright=copyright|e %}&copy; Copyright Hyperledger 2020-2025.{% endtrans %}
+        {% trans copyright=copyright|e %}&copy; Copyright Contributors to Hyperledger Fabric 2020-2026.{% endtrans %}
       {%- endif %}
     {%- endif %}
     <br>

docs/source/conf.py

@@ -30,8 +30,8 @@
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information
 
 project = "Hyperledger Fabric Docs"
-copyright = "2017-2025, Hyperledger Foundation"
-author = "Hyperledger Foundation"
+copyright = "2017-2026, Contributors to Hyperledger Fabric"
+author = "Contributors to Hyperledger Fabric"
 release = "main"
 version = "main"