Fixed use of rotate() when generating keycaps on mini layout.

Author: Henry Bucklow

src/dactyl_manuform.py

@@ -910,7 +910,7 @@ def mini_thumb_15x_layout(shape):
 
 def mini_thumbcaps():
     t1 = mini_thumb_1x_layout(sa_cap(1))
-    t15 = mini_thumb_15x_layout(rotate(sa_cap(1), pi / 2, [0, 0, 1]))
+    t15 = mini_thumb_15x_layout(rotate(sa_cap(1), [0, 0, rad2deg(pi / 2)]))
     return t1.add(t15)