Update repositories.txt to add XY6020L lib (#4078)

Jens3382 · web-flow · commit 21ae417fcdc8 · 2024-02-18T14:17:30.000Z
dcdc converter can be controlled via UART
diff --git a/repositories.txt b/repositories.txt
@@ -6687,3 +6687,4 @@ https://github.com/The-Randalorian/Rando-HX711-Arduino-Library
 https://github.com/mbrugman67/Uno-Minimal-HUB75
 https://github.com/derekcurry/super_easing
 https://github.com/byrmeng/DeneyapKart.QRCodeReader
+https://github.com/Jens3382/xy6020l
