Update dependency django-auth-ldap to v4.8.0

Author: renovate[bot]

pyproject.toml

@@ -19,7 +19,7 @@ classifiers = [
 dependencies = [
     'Authlib==1.3.0',
     'Django==4.2.9',
-    'django-auth-ldap==4.6.0',
+    'django-auth-ldap==4.8.0',
     'django-bootstrap5==23.4',
     'django-colorfield==0.11.0',
     'django-ical==1.9.2',