Update donations (#1583)

Author: josefpihrt

Donations.md

@@ -6,7 +6,8 @@
 | ---:| --- | ---
 | $6000.00 USD | [.NET on AWS Open Source Software Fund](https://github.com/aws/dotnet-foss) | $500.00 for 12 months starting November 2024
 | $1000.00 USD | Microsoft | -
-| $13.00 USD / month | Ian Kemp | starting July 2021 
+| $13.00 USD / month | @IanKemp | starting July 2021
+| $5.00 USD / month | @Genbox | starting October 2024
 
 ### Donations
 

README.md

@@ -41,7 +41,8 @@ TIP: Bugfixes or small improvements can be implemented right away. Larger task l
 Special thanks to:
   - [.NET on AWS Open Source Software Fund](https://github.com/aws/dotnet-foss) for donating $6000.00 USD ($500.00 for 12 months starting November 2024).
   - Microsoft for donating $1000.00 USD.
-  - Ian Kemp for donating $13.00 USD / month starting July 2021.
+  - @IanKemp for donating $13.00 USD / month starting July 2021.
+  - @Genbox for donating $5.00 USD / month starting October 2024.
 
 ## .NET Foundation