fix(ci): release-doctor — report correct token name

Author: stainless-app[bot]

bin/check-release-environment

@@ -3,7 +3,7 @@
 errors=()
 
 if [ -z "${NPM_TOKEN}" ]; then
-  errors+=("The WRITER_NPM_TOKEN secret has not been set. Please set it in either this repository's secrets or your organization secrets")
+  errors+=("The NPM_TOKEN secret has not been set. Please set it in either this repository's secrets or your organization secrets")
 fi
 
 lenErrors=${#errors[@]}