Use a more portable way to get the version string in PostgresNode
authorAndrew Dunstan <andrew@dunslane.net>
Thu, 20 May 2021 12:03:15 +0000 (08:03 -0400)
committerAndrew Dunstan <andrew@dunslane.net>
Thu, 20 May 2021 12:07:08 +0000 (08:07 -0400)
commit8bdd6f563aa2456de602e78991e6a9f61b8ec86d
tree95b700aa3452359cc6dcdf6ff7f406ffda71e85e
parent413c1ef98e0c9c708c4a9a13a838a55b65b16a80
Use a more portable way to get the version string in PostgresNode

Older versions of perl on Windows don't like the list form of pipe open,
and perlcritic doesn't like the string form of open, so we avoid both
with a simpler formulation using qx{}.

Per complaint from Amit Kapila.
src/test/perl/PostgresNode.pm