Update requirements.txt

Co-authored-by: Thomas Boyer-Chammard <49786685+thomas-bc@users.noreply.github.com>

Author: timcanham

requirements.txt

@@ -36,7 +36,7 @@ fprime-fpp-to-dict==3.0.0a13
 fprime-fpp-to-json==3.0.0a13
 fprime-fpp-to-xml==3.0.0a13
 fprime-fpp-to-layout==3.0.0a13
-fprime-gds==v4.0.2a1
+fprime-gds==4.0.2a1
 fprime-tools==4.0.0a6
 fprime-visual==1.0.2
 gcovr==8.2