[rank] adding batch insertions for ranking definitions and references

[cesrjimenez]

Depends on #47987

Adds batch insertions to the definitions and references tables for ranking.

Test plan

Added test and tested manually.

[sourcegraph-bot]

Codenotify: Notifying subscribers in CODENOTIFY files for diff 9d4d2cd...420afe9.

Notify	File(s)
@Strum355	enterprise/internal/codeintel/uploads/internal/background/mocks_test.go enterprise/internal/codeintel/uploads/internal/store/observability.go enterprise/internal/codeintel/uploads/internal/store/store.go enterprise/internal/codeintel/uploads/internal/store/store_ranking.go enterprise/internal/codeintel/uploads/internal/store/store_ranking_test.go enterprise/internal/codeintel/uploads/mocks_test.go enterprise/internal/codeintel/uploads/shared/types.go
@efritz	enterprise/internal/codeintel/uploads/internal/background/mocks_test.go enterprise/internal/codeintel/uploads/internal/store/observability.go enterprise/internal/codeintel/uploads/internal/store/store.go enterprise/internal/codeintel/uploads/internal/store/store_ranking.go enterprise/internal/codeintel/uploads/internal/store/store_ranking_test.go enterprise/internal/codeintel/uploads/mocks_test.go enterprise/internal/codeintel/uploads/shared/types.go