Try postgres 17 (might be too soon)

.github/workflows/test.yml

@@ -9,7 +9,7 @@ jobs:
       fail-fast: false
       matrix:
         node: ['12', '14', '16', '18', '20', '21']
-        postgres: ['12', '13', '14', '15', '16']
+        postgres: ['12', '13', '14', '15', '16', '17']
     runs-on: ubuntu-latest
     services:
       postgres: