Pontoon/AMO Frontend: Update German (de)

Co-authored-by: Michael Köhler <[email protected]> (de)

Author: mozilla-pontoon

locale/de/LC_MESSAGES/amo.po

@@ -1671,11 +1671,11 @@ msgstr "Berechtigungen"
 
 #: src/amo/components/PermissionsCard/index.js:84
 msgid "Required permissions:"
-msgstr ""
+msgstr "Benötigte Berechtigungen:"
 
 #: src/amo/components/PermissionsCard/index.js:94
 msgid "Optional permissions:"
-msgstr ""
+msgstr "Optionale Berechtigungen:"
 
 #: src/amo/components/PermissionsCard/permissions.js:27
 msgid "Read and modify bookmarks"