Update copyright year in README.md

Author: LEDfan

README.md

@@ -16,7 +16,7 @@ It is the engine that powers a.o. [ShinyProxy](https://shinyproxy.io) but can be
 
 Learn more at <https://shinyproxy.io/> (in progress)
 
-**(c) Copyright Open Analytics NV, 2017-2025 - Apache License 2.0**
+**(c) Copyright Open Analytics NV, 2017-2026 - Apache License 2.0**
 
 ## Building from source