Update repositories.txt (#4331)

cristidragomir97 · web-flow · commit 94fd1b53c5ef · 2024-04-10T00:41:50.000Z
diff --git a/repositories.txt b/repositories.txt
@@ -6846,3 +6846,4 @@ https://github.com/Xinyuan-LilyGO/LilyGo-EPD47
 https://github.com/bavathd/tago_esp32
 https://github.com/stm32duino/X-NUCLEO-53L4A3
 https://github.com/stm32duino/VL53L4ED
+https://github.com/arduino-libraries/Arduino_Cellular
