fix(plan): break long yq command into multiple lines for readability

- Split the yq command string into multiple lines
- Use string concatenation to maintain command integrity

Author: CoMfUcIoS

spec/acceptance/peadm_spec/plans/add_inventory_hostnames.pp

@@ -4,13 +4,16 @@
   $t = get_targets('*')
   wait_until_available($t)
 
-  await(
+  $fqdn_results = await(
     parallelize($t) |$target| {
       $fqdn = run_command('hostname -f', $target)
-      $target.set_var('certname', $fqdn.first['stdout'].chomp)
-      $command = "yq eval '(.groups[].targets[] | select(.uri == \"${target.uri}\").name) = \"${target.vars['certname']}\"' -i ${inventory_file}"
-      run_command($command, 'localhost')
+      $target.set_var('certname', $fqdn.first['stdout'].chomp) { 'uri' => $target.uri, 'certname' => $target.vars['certname'] }
     }
   )
+
+  $fqdn_results.each |$result| {
+    $command = "yq eval '(.groups[].targets[] | select(.uri == \"${result.target.uri}\").name) = \"${result.value}\"' -i ${inventory_file}"
+    run_command($command, 'localhost')
+  }
   notify { 'Inventory updated': }
 }