Update dependency microbundle to ^0.15.0

Author: renovate[bot]

package.json

@@ -40,7 +40,7 @@
     "@types/next": "^9.0.0",
     "@types/node": "^18.0.0",
     "@types/react": "^17.0.18",
-    "microbundle": "^0.13.3",
+    "microbundle": "^0.15.0",
     "prettier": "^2.3.2",
     "react": ">=16.0.0",
     "react-dom": ">=16.0.0",