ci: try with older versions of Node

Author: G-Rath

.github/workflows/verifications.yml

@@ -39,8 +39,6 @@ jobs:
         eslint: [7.5, 7, 8, 9]
         exclude:
           # eslint@9 doesn't support < Node v18
-          - node: 16.x
-            eslint: 9
           - node: 14.x
             eslint: 9
           - node: 14.17.0