Fix yarn target in VSCode ext cron job (#4178)

This has changed in 0a26591849 which
broke the build. We only build the latest release so changing this
should be safe and not break older releases.

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azure-cron.yml

@@ -110,8 +110,8 @@ jobs:
             git checkout $GITHUB
             cd compiler/daml-extension
             # This produces out/src/extension.js
-            bazel run @nodejs//:bin/yarn
-            bazel run @nodejs//:bin/yarn compile
+            bazel run @nodejs//:yarn
+            bazel run @nodejs//:yarn compile
             bazel run --run_under="cd $PWD && " @daml_extension_deps//vsce/bin:vsce -- publish ${GITHUB#v} -p $MARKETPLACE_TOKEN
           else
             if [[ "${GITHUB#v}" == "$MARKET" ]]; then