Update translations

Run

    ./manage.py makemessages -l de --ignore bla/lib/python3.7/site-packages/xlwt

locale/de/LC_MESSAGES/django.po

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2021-04-21 14:09+0200\n"
+"POT-Creation-Date: 2021-08-02 10:50+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -699,6 +699,7 @@ msgstr[1] ""
 #: bla/lib/python3.7/site-packages/django/forms/formsets.py:386
 #: bla/lib/python3.7/site-packages/django/~orms/formsets.py:379
 #: bla/lib/python3.7/site-packages/django/~orms/formsets.py:386
+#: bla/lib/python3.7/site-packages/wagtailorderable/modeladmin/mixins.py:82
 msgid "Order"
 msgstr ""
 
@@ -1522,7 +1523,7 @@ msgid "Wagtail search tests"
 msgstr ""
 
 #: bla/lib/python3.7/site-packages/wagtail/tests/settings.py:239
-#: config/settings/base.py:220
+#: config/settings/base.py:221
 msgid "English"
 msgstr "Englisch"
 
@@ -1696,7 +1697,7 @@ msgstr ""
 
 #: bla/lib/python3.7/site-packages/wagtailvideos/models.py:84
 #: mpicms/base/models.py:46 mpicms/personal/models.py:68
-#: mpicms/personal/models.py:95 mpicms/publications/models.py:15
+#: mpicms/personal/models.py:95 mpicms/publications/models.py:23
 msgid "title"
 msgstr "Titel"
 
@@ -2000,7 +2001,7 @@ msgstr ""
 msgid "Edit this video"
 msgstr ""
 
-#: config/settings/base.py:221
+#: config/settings/base.py:222
 msgid "German"
 msgstr "Deutsch"
 
@@ -2191,7 +2192,7 @@ msgid "news entries"
 msgstr "Neuigkeiten"
 
 #: mpicms/personal/models.py:25 mpicms/personal/models.py:31
-#: mpicms/publications/models.py:16
+#: mpicms/publications/models.py:24
 msgid "groups"
 msgstr "Gruppen"
 
@@ -2258,15 +2259,15 @@ msgstr "Gruppen"
 msgid "Positions"
 msgstr "Positionen"
 
-#: mpicms/publications/models.py:17
+#: mpicms/publications/models.py:25
 msgid "authors"
 msgstr "Autoren"
 
-#: mpicms/publications/models.py:18
+#: mpicms/publications/models.py:26
 msgid "source"
 msgstr "Quellen"
 
-#: mpicms/publications/wagtail_hooks.py:10
+#: mpicms/publications/wagtail_hooks.py:11
 #: mpicms/templates/publications/components/list.html:4
 msgid "Publications"
 msgstr "Publikationen"