refactor: squash migrations

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

Author: keshav-space

vulnerabilities/migrations/0120_impactedpackage_last_range_unfurl_at_and_more.py

@@ -1,4 +1,4 @@
-# Generated by Django 5.2.11 on 2026-04-08 09:28
+# Generated by Django 5.2.11 on 2026-04-08 10:48
 
 from django.db import migrations, models
 
@@ -20,6 +20,16 @@ class Migration(migrations.Migration):
                 null=True,
             ),
         ),
+        migrations.AddField(
+            model_name="impactedpackage",
+            name="last_successful_range_unfurl_at",
+            field=models.DateTimeField(
+                blank=True,
+                db_index=True,
+                help_text="Timestamp of the last successful vers range unfurl.",
+                null=True,
+            ),
+        ),
         migrations.AddField(
             model_name="pipelineschedule",
             name="run_priority",