Backend: Renumber GrowthBook migration to 0154

The migration collided with 0151 from develop; chain it after the
current tip (0153) instead.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: aapeliv

…_replace_statsig_with_growthbook_for_.py …_replace_statsig_with_growthbook_for_.pyapp/backend/src/couchers/migrations/versions/0151_replace_statsig_with_growthbook_for_.py renamed to app/backend/src/couchers/migrations/versions/0154_replace_statsig_with_growthbook_for_.py app/backend/src/couchers/migrations/versions/0151_replace_statsig_with_growthbook_for_.py renamed to app/backend/src/couchers/migrations/versions/0154_replace_statsig_with_growthbook_for_.py

@@ -1,7 +1,7 @@
 """Replace Statsig with GrowthBook for experimentation
 
-Revision ID: 0151
-Revises: 0150
+Revision ID: 0154
+Revises: 0153
 Create Date: 2026-05-15 03:18:53.799426
 
 """
@@ -11,8 +11,8 @@
 from sqlalchemy.dialects import postgresql
 
 # revision identifiers, used by Alembic.
-revision = "0151"
-down_revision = "0150"
+revision = "0154"
+down_revision = "0153"
 branch_labels = None
 depends_on = None