certificate_authority: fix version on Person

This document.erp5_certificate_authority.Person component must use version
erp5_certificate_authority, to match its ID.

bt5/erp5_certificate_authority/DocumentTemplateItem/portal_components/document.erp5_certificate_authority.Person.xml

@@ -32,7 +32,7 @@
         </item>
         <item>
             <key> <string>version</string> </key>
-            <value> <string>erp5</string> </value>
+            <value> <string>erp5_certificate_authority</string> </value>
         </item>
         <item>
             <key> <string>workflow_history</string> </key>