Bump parcel from 2.15.2 to 2.15.4 (#1858)

Bumps [parcel](https://github.com/parcel-bundler/parcel) from 2.15.2 to 2.15.4.
- [Release notes](https://github.com/parcel-bundler/parcel/releases)
- [Changelog](https://github.com/parcel-bundler/parcel/blob/v2/CHANGELOG.md)
- [Commits](https://github.com/parcel-bundler/parcel/commits)

---
updated-dependencies:
- dependency-name: parcel
  dependency-version: 2.15.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

astexplorer/package.json

@@ -19,6 +19,6 @@
     "react-redux": "9.2.0"
   },
   "devDependencies": {
-    "parcel": "2.15.2"
+    "parcel": "2.15.4"
   }
 }