fix(diploma): added missing label

diploma.yaml

@@ -4,7 +4,7 @@
       fallback: "Zeugniserstellung ist möglich"
       fallback-lang: de-de-formal
       translations:
-        en-eu: ""
+        en-eu: "Creation of Diploma is Possible"
     viewers: &view-minimal
       - &PAmt
         tag: authorized
@@ -60,7 +60,7 @@
     #     fallback: "Sekretariat"
     #     fallback-lang: de-de-formal
     #     translations:
-    #       en-eu: ""
+    #       en-eu: "Secretariat"
     # "pavorsitzender":
     #   viewers: *view-internal
     #   display-label: