Exclude files inside ulab from translation

.. These files can be created if the developer runs
"./build.sh" or "./build-cp.sh" inside extmod/ulab.

Author: jepler

Makefile

@@ -54,6 +54,8 @@ TRANSLATE_SOURCES_EXC = -path "ports/*/build-*" \
 	-o -path ports/stm/st_driver \
 	-o -path lib/tinyusb \
 	-o -path lib/lwip \
+	-o -path extmod/ulab/circuitpython \
+	-o -path extmod/ulab/micropython \
 
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