lsif: fix upload to private instance (#6216)

.github/workflows/lsif.yml

@@ -8,17 +8,13 @@ jobs:
       - uses: actions/checkout@v1
       - name: Generate LSIF data
         uses: sourcegraph/lsif-go-action@master
-        with:
-          verbose: 'true'
       - name: Upload LSIF data to sourcegraph.com
-        uses: sourcegraph/lsif-upload-action@master
         continue-on-error: true
+        uses: docker://sourcegraph/src-cli:latest
         with:
-          endpoint: https://sourcegraph.com
-          github_token: ${{ secrets.GITHUB_TOKEN }}
+          args: lsif upload -github-token=${{ secrets.GITHUB_TOKEN }}
       - name: Upload LSIF data to sourcegraph.unknwon.cn
-        uses: sourcegraph/lsif-upload-action@master
         continue-on-error: true
+        uses: docker://sourcegraph/src-cli:latest
         with:
-          endpoint: https://sourcegraph.unknwon.cn
-          github_token: ${{ secrets.GITHUB_TOKEN }}
+          args: -endpoint=https://sourcegraph.unknwon.cn lsif upload -github-token=${{ secrets.GITHUB_TOKEN }}