chore: Add changeset

Author: chmanie

.changeset/sour-zebras-heal.md

@@ -0,0 +1,11 @@
+---
+"@colony/event-metadata": patch
+"@colony/contractor": patch
+"@colony/colony-js": patch
+"@colony/events": patch
+"@colony/tokens": patch
+"@colony/core": patch
+"@colony/sdk": patch
+---
+
+Adjust import/export statements to be compatible with ESM only within node.js