Update django to 5.2

src/pretix/presale/views/widget.py

@@ -49,7 +49,7 @@ from django.views.decorators.cache import cache_page
 from django.views.decorators.gzip import gzip_page
 from django.views.decorators.http import condition
 from django.views.i18n import (
-    JavaScriptCatalog, get_formats, js_catalog_template,
+    JavaScriptCatalog, builtin_template_path, get_formats,
 )
 from lxml import html
 
@@ -170,7 +170,8 @@ def generate_widget_js(version, lang):
             'September', 'October', 'November', 'December'
         )
         catalog = dict((k, v) for k, v in catalog.items() if k.startswith('widget\u0004') or k in str_wl)
-        template = Engine().from_string(js_catalog_template)
+        with builtin_template_path("i18n_catalog.js").open(encoding="utf-8") as fh:
+            template = Engine().from_string(fh.read())
         context = Context({
             'catalog_str': indent(json.dumps(
                 catalog, sort_keys=True, indent=2)) if catalog else None,