Regression tests need updating for 2.17

[df7cb]

The regression tests need to be updated for 2.17:

--- /home/cbe/projects/postgresql/hll/postgresql-hll/expected/setup.out	2022-09-21 14:54:06.147975874 +0200
+++ /home/cbe/projects/postgresql/hll/postgresql-hll/results/setup.out	2022-09-21 15:00:13.662572012 +0200
@@ -5,4 +5,3 @@
 ALTER EXTENSION hll UPDATE TO '2.14';
 ALTER EXTENSION hll UPDATE TO '2.15';
 ALTER EXTENSION hll UPDATE TO '2.16';
-ALTER EXTENSION hll UPDATE TO '2.17';

Please tag a new release when this has been fixed so we can update the Debian packages.