Bump parcel from 2.0.0-beta.3.1 to 2.0.0-nightly.776

Bumps [parcel](https://github.com/parcel-bundler/parcel) from 2.0.0-beta.3.1 to 2.0.0-nightly.776.
- [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-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package.json

@@ -38,7 +38,7 @@
     "eslint-plugin-node": "11.1.0",
     "eslint-plugin-promise": "5.1.0",
     "npm-run-all": "4.1.5",
-    "parcel": "2.0.0-beta.3.1",
+    "parcel": "2.0.0-nightly.776",
     "parcel-plugin-bundle-visualiser": "1.2.0",
     "percy": "0.28.6",
     "postcss": "8.3.5",