Update translations

Commit fe8b55e ("publications: Apply flake8 hint fixes") changed some
line numbers. Update translations with

    ./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: 2021-08-02 10:50+0200\n"
+"POT-Creation-Date: 2023-03-15 19:43+0100\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"
@@ -1697,7 +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:23
+#: mpicms/personal/models.py:95 mpicms/publications/models.py:26
 msgid "title"
 msgstr "Titel"
 
@@ -2155,19 +2155,19 @@ msgstr "Raum"
 msgid "event dates"
 msgstr "Veranstaltungsdaten"
 
-#: mpicms/events/models.py:96
+#: mpicms/events/models.py:101
 msgid "event"
 msgstr "Veranstaltung"
 
-#: mpicms/events/models.py:97
+#: mpicms/events/models.py:102
 msgid "events"
 msgstr "Veranstaltungen"
 
-#: mpicms/events/models.py:138
+#: mpicms/events/models.py:143
 msgid "event index"
 msgstr "Veranstaltungs-Index"
 
-#: mpicms/events/models.py:139
+#: mpicms/events/models.py:144
 msgid "event indexes"
 msgstr "Veranstaltungs-Indexes"
 
@@ -2192,7 +2192,7 @@ msgid "news entries"
 msgstr "Neuigkeiten"
 
 #: mpicms/personal/models.py:25 mpicms/personal/models.py:31
-#: mpicms/publications/models.py:24
+#: mpicms/publications/models.py:27
 msgid "groups"
 msgstr "Gruppen"
 
@@ -2259,11 +2259,11 @@ msgstr "Gruppen"
 msgid "Positions"
 msgstr "Positionen"
 
-#: mpicms/publications/models.py:25
+#: mpicms/publications/models.py:28
 msgid "authors"
 msgstr "Autoren"
 
-#: mpicms/publications/models.py:26
+#: mpicms/publications/models.py:29
 msgid "source"
 msgstr "Quellen"
 
@@ -2386,7 +2386,7 @@ msgstr "Email-Adresse"
 msgid "Phone"
 msgstr "Telefon"
 
-#: mpicms/templates/publications/components/list.html:25
+#: mpicms/templates/publications/components/list.html:24
 msgid "More in PuRe"
 msgstr "Mehr in PuRe"