Scan code issues only in relevant folders.

Author: pablorcum

buildfile.m

@@ -10,6 +10,7 @@
 plan = buildplan;
 
 plan("check") = CodeIssuesTask(...
+    ["toolbox/src", "tests", "buildUtilities"],...
     Results='results.sarif', ...
     ErrorThreshold=0,...
     WarningThreshold=0);