ci: migrate to scip-typescript (#93)

Co-authored-by: Sourcegraph <[email protected]>

Author: jhchabran

.github/workflows/lsif.yml

@@ -0,0 +1,23 @@
+name: SCIP
+on:
+  - push
+jobs:
+  index:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: 16
+      - run: yarn global add @sourcegraph/scip-typescript @sourcegraph/src
+      - run: yarn --ignore-engines --ignore-scripts
+      - run: scip-typescript index
+      - name: Upload SCIP to Cloud
+        run: src lsif upload -github-token='${{ secrets.GITHUB_TOKEN }}' -no-progress
+        env:
+          SRC_ENDPOINT: https://sourcegraph.com/
+      - name: Upload SCIP to Dogfood
+        run: src lsif upload -github-token='${{ secrets.GITHUB_TOKEN }}' -no-progress || true
+        env:
+          SRC_ENDPOINT: https://k8s.sgdev.org/