Upgrade RSKj to 5.3.0, deploy new nodes

Adapted the cookbook for new nodes running on Jammy.

site-cookbooks/kosmos_rsk/kitchen.yml

@@ -1,6 +1,7 @@
 ---
 driver:
   name: dokken
+  chef_version: 18.2.7
   pull_platform_image: false
   pull_chef_image: false
   memory_limit: 2147483648 # 2GB
@@ -18,7 +19,7 @@ transport:
 
 provisioner:
   name: dokken
-  clean_dokken_sandbox: false
+  # clean_dokken_sandbox: false
   # You may wish to disable always updating cookbooks in CI or other testing environments.
   # For example:
   #   always_update_cookbooks: <%= !ENV['CI'] %>
@@ -33,9 +34,9 @@ verifier:
   name: inspec
 
 platforms:
-  - name: ubuntu-20.04
+  - name: ubuntu-22.04
     driver:
-      image: dokken/ubuntu-20.04
+      image: dokken/ubuntu-22.04
       privileged: true
       pid_one_command: /usr/lib/systemd/systemd
       intermediate_instructions: