Try to use timelimit instead of timeout

scripts/ci/rpi/build-script.sh

@@ -2,12 +2,10 @@
 
 echo "Begin build-script.sh"
 
-sudo apt-get -y install timeout
+sudo apt-get -y install timelimit
 
 cd /home/pi/openFrameworks/addons/ofxPiMapper/example_basic
-kill -l
-which timeout
-timeout --version
-/usr/bin/timeout --signal=SIGKILL 10 make -j $(nproc)
+
+timelimit -s KILL 10 make -j $(nproc)
 
 echo "End build-script.sh"