🔧 Add timeouts to celery tasks

Done in the context of issue maykinmedia/charts#148

src/openklant/conf/base.py

@@ -1,4 +1,5 @@
 from open_api_framework.conf.base import *  # noqa
+from open_api_framework.conf.utils import config  # noqa
 
 from .api import *  # noqa
 
@@ -50,3 +51,13 @@
     "openklant.setup_configuration.steps.TokenAuthConfigurationStep",
     "mozilla_django_oidc_db.setup_configuration.steps.AdminOIDCConfigurationStep",
 )
+
+#
+# Celery
+#
+
+# Add (by default) 5 (soft), 15 (hard) minute timeouts to all Celery tasks.
+CELERY_TASK_TIME_LIMIT = config("CELERY_TASK_HARD_TIME_LIMIT", default=15 * 60)  # hard
+CELERY_TASK_SOFT_TIME_LIMIT = config(
+    "CELERY_TASK_SOFT_TIME_LIMIT", default=5 * 60
+)  # soft