Increase max size of authorization_header in DB (#2720)

# What this PR does
Increase size of authorization_header for webhooks to accommodate more
data.

## Which issue(s) this PR fixes

## Checklist

- [ ] Unit, integration, and e2e (if applicable) tests updated
- [ ] Documentation added (or `pr:no public docs` PR label added if not
required)
- [ ] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not
required)

engine/apps/webhooks/migrations/0009_alter_webhook_authorization_header.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.2.20 on 2023-08-01 19:29
+
+from django.db import migrations
+import mirage.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('webhooks', '0008_auto_20230712_1613'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='webhook',
+            name='authorization_header',
+            field=mirage.fields.EncryptedCharField(default=None, max_length=2000, null=True),
+        ),
+    ]

engine/apps/webhooks/models/webhook.py

@@ -112,7 +112,7 @@ class Webhook(models.Model):
     name = models.CharField(max_length=100, null=True, default=None)
     username = models.CharField(max_length=100, null=True, default=None)
     password = mirage_fields.EncryptedCharField(max_length=1000, null=True, default=None)
-    authorization_header = mirage_fields.EncryptedCharField(max_length=1000, null=True, default=None)
+    authorization_header = mirage_fields.EncryptedCharField(max_length=2000, null=True, default=None)
     trigger_template = models.TextField(null=True, default=None)
     headers = models.TextField(null=True, default=None)
     url = models.TextField(null=True, default=None)