test(data): harden portfolio migration contract

src/GmRelay.Bot/Migrations/V029__add_completed_game_portfolios_and_reviews.sql

@@ -68,6 +68,13 @@ CREATE TABLE portfolio_game_reviews (
     UNIQUE (portfolio_game_id, author_player_id)
 );
 
+CREATE INDEX ix_portfolio_game_reviews_author
+    ON portfolio_game_reviews (author_player_id);
+
+CREATE INDEX ix_portfolio_game_reviews_moderator
+    ON portfolio_game_reviews (moderated_by_player_id)
+    WHERE moderated_by_player_id IS NOT NULL;
+
 CREATE INDEX ix_portfolio_game_reviews_public
     ON portfolio_game_reviews (portfolio_game_id, created_at DESC)
     WHERE moderation_status = 'Approved' AND publication_consent_at IS NOT NULL;