Release 26.4.1 (#790)

* Prepare release 26.4.1

* add version 26.4.1 migration

---------

Co-authored-by: Calvin Yau <calvin.yau@sentry.io>

Author: codecov-releaser

VERSION

@@ -1 +1 @@
-26.3.4
+26.4.1

libs/shared/shared/django_apps/core/migrations/0084_increment_version.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.2.27 on 2026-04-01 19:44
+
+from django.db import migrations
+
+
+def update_version(apps, schema):
+    Constants = apps.get_model("core", "Constants")
+    version = Constants.objects.get(key="version")
+    version.value = "26.4.1"
+    version.save()
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("core", "0083_increment_version"),
+    ]
+
+    operations = [migrations.RunPython(update_version)]