Update index.rst

Author: zkokalj

docs/index.rst

@@ -68,7 +68,7 @@ License
 This project is licensed under the terms of the `Apache License <http://www.apache.org/licenses/LICENSE-2.0>`_.
 
 
-© Copyright 2010-2021 ZRC SAZU and University of Ljubljana
+© Copyright 2010-2025 ZRC SAZU and University of Ljubljana
 
 .. toctree::
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