Rename Gandi charge to match previous

Author: jc00ke

contributions.md

@@ -48,4 +48,4 @@ A log for contributions and some expenses.
 | 2019/08/31 |                | $129.51           | $0.00     | [Sidekiq](http://sidekiq.org/)               |
 | 2020/02/25 | $98.94         |                   | -$98.94   | Meetup                                       |
 | 2019/03/03 |                | $98.94            | $0.00     | [TimescaleDB](https://www.timescale.com)     |
-| 2020/03/29 | $86.00         |                   | -$86.00   | Gandi - DNS                                  |
+| 2020/03/29 | $86.00         |                   | -$86.00   | Gandi DNS renewals                           |