Bump microbundle from 0.15.0 to 0.15.1

Bumps [microbundle](https://github.com/developit/microbundle) from 0.15.0 to 0.15.1.
- [Release notes](https://github.com/developit/microbundle/releases)
- [Changelog](https://github.com/developit/microbundle/blob/master/CHANGELOG.md)
- [Commits](developit/microbundle@v0.15.0...v0.15.1)

---
updated-dependencies:
- dependency-name: microbundle
  dependency-version: 0.15.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -43,7 +43,7 @@
   "devDependencies": {
     "eslint": "^8.57.0",
     "eslint-config-etherpad": "^4.0.4",
-    "microbundle": "^0.15.0",
+    "microbundle": "^0.15.1",
     "typescript": "^5.4.2"
   },
   "dependencies": {