Only bundle JSON::PP::Compat5006 if $] < 5.008
Merge commit '3f38c3a0136464f543c714a10d3fba557afc0d2e'

* commit '3f38c3a0136464f543c714a10d3fba557afc0d2e':
  Only bundle JSON::PP::Compat5006 if $] < 5.008