fix yarn wathc

Author: wesselvdv

package.json

@@ -9,7 +9,7 @@
     "posttest": "yarn workspaces foreach --topological run posttest && node scripts/benjies-depcheck.mjs",
     "prepack:all": "scripts/prepack-all",
     "build": "tsc -b && yarn && yarn workspace ruru prepack",
-    "watch": "yarn build && tsc -b --watch",
+    "watch": "yarn build; tsc -b --watch",
     "clean": "jest --clearCache && rm -Rf {utils,grafast,graphile-build,postgraphile}/*/{dist,bundle,tsconfig.tsbuildinfo,tsconfig.build.tsbuildinfo}",
     "changeset:version": "yarn changeset version && node scripts/postversion.mjs",
     "docs:gen": "yarn typedoc .",