Tools: don't fail CI if we can't install edn_format

trying to fix semaphore

Tools/scripts/configure-ci.sh

@@ -87,4 +87,5 @@ fi
 pip install --user -U argparse empy pyserial pexpect future lxml
 pip install --user -U intelhex
 pip install --user -U numpy
-pip install --user -U edn_format
+pip install --user -U edn_format || true
+