perl: add test-version.sh to skip version check

perlbase-archive, perlbase-pod, and perlbase-test install Perl script
wrappers (ptar, pod2man, prove, etc.) that do not output the OpenWrt
package version string (5.40.0), causing generic version check failures
in CI.

Signed-off-by: Alexandru Ardelean <alex@shruggie.ro>
(cherry picked from commit 024b8ee60e)

lang/perl/test-version.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+# Perl script wrappers do not output the OpenWrt package version string
+case "$1" in
+	perlbase-archive|perlbase-pod|perlbase-test) exit 0 ;;
+esac