Update python-hy test to newer hy with python 3.7 support

test/tests/python-hy/container.sh

@@ -16,11 +16,11 @@ fi
 
 # Hy is complicated, and uses Python's internal AST representation directly, and thus Hy releases usually lag behind a little on major Python releases (and we don't want that to gum up our tests)
 # see https://github.com/hylang/hy/issues/1111 for example breakage
-if ! "$python" -c 'import sys; exit((sys.version_info[0] == 3 and sys.version_info[1] >= 7) or sys.version_info[0] > 3)'; then
-	echo >&2 'skipping Hy test -- not allowed on Python 3.7+ (yet!)'
+if ! "$python" -c 'import sys; exit((sys.version_info[0] == 3 and sys.version_info[1] >= 8) or sys.version_info[0] > 3)'; then
+	echo >&2 'skipping Hy test -- not allowed on Python 3.8+ (yet!)'
 	cat expected-std-out.txt # cheaters gunna cheat
 	exit
 fi
 
-pip install -q 'hy==0.13.0'
+pip install -q 'hy==0.16.0'
 hy ./container.hy