Updating copyright year to 2025

Author: xiaobei0715

docs/conf.py

@@ -114,7 +114,7 @@ def get_github_username_repo(url):
 
 # General information about the project.
 project = 'Solidity'
-project_copyright = '2016-2024, The Solidity Authors'
+project_copyright = '2016-2025, The Solidity Authors'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the