bump the recommended stackage snapshot

gelisam · gelisam · commit 2aa4ed22034d · 2023-03-15T21:49:51.000-04:00
diff --git a/stack.yaml b/stack.yaml
@@ -1,4 +1,4 @@
-resolver: nightly-2021-07-22
+resolver: lts-19.33
 packages:
 - '.'
 
