fix(backend): migration vacuums profile history so change reads stay index only

backend/migrations/versions/e8b3f1a6c2d4_profile_history_reads.py

@@ -37,6 +37,8 @@ def upgrade() -> None:
     op.execute(
         "CREATE INDEX ix_jobs_kind_created ON jobs (account_id, kind, created_at DESC)"
     )
+    with op.get_context().autocommit_block():
+        op.execute("VACUUM (ANALYZE) peer_history")
 
 
 def downgrade() -> None: