Update migration dependencies and foreign key references in site building and planner modules

- Changed migration dependencies in `0003_workflow_and_taxonomies.py` to reflect the correct order.
- Updated foreign key references from `account` to `tenant` in multiple migration files for consistency.
- Adjusted related names in foreign key fields to ensure proper relationships in the database schema.

backend/igny8_core/modules/planner/migrations/0008_stage1_site_builder_fields.py

@@ -16,7 +16,7 @@ def default_list():
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('site_building', '0002_sitebuilder_metadata'),
+        ('site_building', '0003_workflow_and_taxonomies'),
         ('planner', '0007_merge_20251109_2138'),
     ]
 
@@ -44,7 +44,14 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='contentideas',
             name='taxonomy',
-            field=models.ForeignKey(blank=True, help_text='Optional taxonomy association when derived from blueprint planning', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='content_ideas', to='site_building.siteblueprinttaxonomy'),
+            field=models.ForeignKey(
+                blank=True,
+                help_text='Optional taxonomy association when derived from blueprint planning',
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                related_name='content_ideas',
+                to='site_building.SiteBlueprintTaxonomy',
+            ),
         ),
         migrations.AddField(
             model_name='keywords',