Merged PR 4097: Small name change

# Description

Small name change to Expected Onboarding MRR

# Checklist

- [ ] The edited models and dependants run properly with production data.
- [ ] The edited models are sufficiently documented.
- [ ] The edited models contain PK tests, and I've ran and passed them.
- [ ] I have checked for DRY opportunities with other models and docs.
- [ ] I've picked the right materialization for the affected models.

# Other

- [ ] Check if a full-refresh is required after this PR is merged.

Small name change

Related work items: #26223

models/intermediate/cross/int_mtd_aggregated_metrics.sql

@@ -280,7 +280,7 @@
     },
     {
         "order_by": 203,
-        "metric": "Expected MRR",
+        "metric": "Expected Onboarding MRR",
         "value": "expected_mrr",
         "previous_year_value": "previous_year_expected_mrr",
         "relative_increment": "relative_increment_expected_mrr",