Account for new challenge sampler bundle filename.
Account for new challenge sampler bundle filename.

royragsdale/picoCTF,picoCTF/picoCTF,picoCTF/picoCTF-platform,picoCTF/picoCTF-platform,picoCTF/picoCTF,royragsdale/picoCTF,picoCTF/picoCTF,royragsdale/picoCTF,royragsdale/picoCTF,picoCTF/picoCTF,picoCTF/picoCTF,picoCTF/picoCTF,royragsdale/picoCTF,royragsdale/picoCTF,royragsdale/picoCTF