fix tarball generation

Author: AbhiPrasad

packages/tracing/package.json

@@ -66,7 +66,7 @@
     "build:dev:watch": "run-p build:transpile:watch build:types:watch",
     "build:transpile:watch": "rollup -c rollup.npm.config.js --watch",
     "build:types:watch": "tsc -p tsconfig.types.json --watch",
-    "build:tarball": "ts-node ../../scripts/prepack.ts --bundles && npm pack ./npm",
+    "build:tarball": "ts-node ../../scripts/prepack.ts --bundles && npm pack ./build/npm",
     "clean": "rimraf build coverage sentry-tracing-*.tgz",
     "circularDepCheck": "madge --circular src/index.ts",
     "fix": "run-s fix:eslint fix:prettier",