feat(alerts): Add notification_uuid column to incident activity (#54809)

migrations_lockfile.txt

@@ -7,5 +7,5 @@ will then be regenerated, and you should be able to merge without conflicts.
 
 nodestore: 0002_nodestore_no_dictfield
 replays: 0003_add_size_to_recording_segment
-sentry: 0530_new_notification_tables
+sentry: 0531_add_notification_uuid_to_incident_activity
 social_auth: 0002_default_auto_field

src/sentry/incidents/models.py

@@ -261,6 +261,7 @@ class IncidentActivity(Model):
     previous_value = models.TextField(null=True)
     comment = models.TextField(null=True)
     date_added = models.DateTimeField(default=timezone.now)
+    notification_uuid = models.UUIDField("notification_uuid", null=True)
 
     class Meta:
         app_label = "sentry"

src/sentry/migrations/0531_add_notification_uuid_to_incident_activity.py

@@ -0,0 +1,31 @@
+# Generated by Django 3.2.20 on 2023-08-16 16:41
+
+from django.db import migrations, models
+
+from sentry.new_migrations.migrations import CheckedMigration
+
+
+class Migration(CheckedMigration):
+    # This flag is used to mark that a migration shouldn't be automatically run in production. For
+    # the most part, this should only be used for operations where it's safe to run the migration
+    # after your code has deployed. So this should not be used for most operations that alter the
+    # schema of a table.
+    # Here are some things that make sense to mark as dangerous:
+    # - Large data migrations. Typically we want these to be run manually by ops so that they can
+    #   be monitored and not block the deploy for a long period of time while they run.
+    # - Adding indexes to large tables. Since this can take a long time, we'd generally prefer to
+    #   have ops run this and not block the deploy. Note that while adding an index is a schema
+    #   change, it's completely safe to run the operation after the code has deployed.
+    is_dangerous = False
+
+    dependencies = [
+        ("sentry", "0530_new_notification_tables"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="incidentactivity",
+            name="notification_uuid",
+            field=models.UUIDField(null=True),
+        ),
+    ]