feat: update modecule to use 2.18

Author: dgibbs64

.github/workflows/action-molecule.yml

@@ -56,7 +56,7 @@ jobs:
           - ubuntu2204
           - ubuntu2404
         ansible_core_version:
-          - 2.16
+          - 2.18
           - latest
         exclude:
           - distro: rockylinux8