Update command label color to C5DEF5

Co-authored-by: swissspidy <841956+swissspidy@users.noreply.github.com>

Author: Copilot

.github/workflows/reusable-manage-labels.yml

@@ -73,7 +73,7 @@ jobs:
               const labelName = 'command:' + command.replace(/\s+/g, '-');
               return {
                 name: labelName,
-                color: 'D4C5F9',
+                color: 'C5DEF5',
                 description: `Related to '${command}' command`
               };
             });