Add sdk:update-hotfix (#3875)

Author: dylanjeffers

apps/audius-client/package.json

@@ -33,6 +33,7 @@
     "stems": "cd packages/stems && npm run start",
     "SDK========================================": "",
     "sdk:update": "lerna exec -- npm-check-updates @audius/sdk -u --target @beta && rm -rf packages/*/node_modules/@audius/sdk && npm i",
+    "sdk:update-hotfix": "lerna exec -- npm-check-updates @audius/sdk -u --target @hotfix && rm -rf packages/*/node_modules/@audius/sdk && npm i",
     "sdk:link": "./scripts/link-sdk.sh",
     "verify": "lerna run --scope=audius-client --scope audius-mobile-client verify"
   },