fix release script to use v6 tag

Author: brophdawg11

scripts/changesets-release.sh

@@ -4,7 +4,7 @@ MODE=$(node -e "console.log(require('./.changeset/pre.json').mode)")
 
 # Can only provide a custom --tag when not in prerelease mode
 # The prerelease tags come from the pre.json "tag" field
-if [ $MODE == "exit" ]; then
+if [ "${MODE}" == "exit" ]; then
   pnpm exec changeset publish --tag v6
 else
   pnpm exec changeset publish