Automate release process via Changesets (#3915)

Co-authored-by: Francisco <fg@frang.io>

scripts/release/workflow/pack.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+dist_tag() {
+  PACKAGE_JSON_NAME="$(jq -r .name ./package.json)"
+  LATEST_NPM_VERSION="$(npm info "$PACKAGE_JSON_NAME" version)"
+  PACKAGE_JSON_VERSION="$(jq -r .version ./package.json)"
+  
+  if [ "$PRERELEASE" = "true" ]; then
+    echo "next"
+  elif npx semver -r ">$LATEST_NPM_VERSION" "$PACKAGE_JSON_VERSION" > /dev/null; then
+    echo "latest"
+  else
+    # This is a patch for an older version
+    # npm can't publish without a tag
+    echo "tmp"
+  fi
+}
+
+cd contracts
+TARBALL="$(npm pack | tee /dev/stderr | tail -1)"
+echo "tarball=$(pwd)/$TARBALL" >> $GITHUB_OUTPUT
+echo "tag=$(dist_tag)" >> $GITHUB_OUTPUT
+cd ..