Add "pack_units" field to the SupplierPart model

InvenTree/company/migrations/0059_supplierpart_pack_units.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.19 on 2023-05-19 03:41
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('company', '0058_auto_20230515_0004'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='supplierpart',
+            name='pack_units',
+            field=models.CharField(blank=True, help_text='Units of measure for this supplier part', max_length=25, verbose_name='Packaging Units'),
+        ),
+    ]