fix: Handle previous Node.js versions (fixes #12)

molecule/custom/converge.yml

@@ -9,7 +9,7 @@
       vars:
         nodejs_version: "{{ version }}"
       loop:
-        - "18.x"
+        - "16.x"
         - "20.x"
         - "18.x"
       loop_control:

tasks/setup-RedHat.yml

 ---
+- name: Set up the Nodesource RPM directory
+  ansible.builtin.set_fact:
+    rhel_distribution_major_version: 7
+
 - name: Set up the Nodesource RPM directory
   ansible.builtin.set_fact:
     rhel_distribution_major_version: "{{ ansible_distribution_major_version }}"