Start using scip-typescript for auto-indexing
Created by: olafurpg
Previously, we used lsif-typescript for auto-indexing.
Test plan
I tested this change manually by validating that the new inferred jobs succeed at indexing the scip-typescript repo itself https://sourcegraph.com/github.com/sourcegraph/scip-typescript/-/code-intelligence/indexes/TFNJRkluZGV4OjIwNjg1MTc=