⬇️ deps: Downgrade microbundle to v0.13.1.

Author: make-github-pseudonymous-again

package.json

@@ -78,7 +78,7 @@
     "fixpack": "4.0.0",
     "husky": "7.0.1",
     "lint-staged": "11.1.1",
-    "microbundle": "0.13.3",
+    "microbundle": "0.13.1",
     "np": "7.5.0",
     "pinst": "2.1.6",
     "power-assert": "1.6.1",