scripts: exclude files in conventions repository

When checking for inconsistent versions of Nuget packages in
fsx scripts, because it might produce false positives if
conventions repository is inside working directory.

Don't skip these files if targetDir is rootDir.

Author: webwarrior-ws

scripts/inconsistentNugetVersionsInFSharpScripts.fsx

@@ -16,6 +16,10 @@ let targetDir, _ = Helpers.PreferLessDeeplyNestedDir currentDir rootDir
 
 let inconsistentVersionsInFsharpScripts =
     Helpers.GetFiles targetDir "*.fsx"
+    |> Seq.filter(fun file ->
+        targetDir = rootDir
+        || not(file.Directory.FullName.StartsWith rootDir.FullName)
+    )
     |> FileConventions.DetectInconsistentVersionsInNugetRefsInFSharpScripts
 
 if inconsistentVersionsInFsharpScripts then