Return computed risk scores after update

Add inherentRiskScore and residualRiskScore to the mutation fragment so
the Relay store gets updated scores. On the backend, use RETURNING to
get the recomputed values from the database generated columns.

Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>

apps/console/src/hooks/forms/useRiskForm.tsx

@@ -42,6 +42,10 @@ const RiskFragment = graphql`
     # eslint-disable-next-line relay/unused-fields
     residualImpact
     # eslint-disable-next-line relay/unused-fields
+    inherentRiskScore
+    # eslint-disable-next-line relay/unused-fields
+    residualRiskScore
+    # eslint-disable-next-line relay/unused-fields
     note
     owner {
       id