Bump json5 and rollup-plugin-babel

Removes [json5](https://github.com/json5/json5). It's no longer used after updating ancestor dependency [rollup-plugin-babel](https://github.com/rollup/rollup-plugin-babel). These dependencies need to be updated together.


Removes `json5`

Updates `rollup-plugin-babel` from 2.7.1 to 4.4.0
- [Release notes](https://github.com/rollup/rollup-plugin-babel/releases)
- [Changelog](https://github.com/rollup/rollup-plugin-babel/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup-plugin-babel@v2.7.1...v4.4.0)

---
updated-dependencies:
- dependency-name: json5
  dependency-type: indirect
- dependency-name: rollup-plugin-babel
  dependency-type: direct:development
...

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

Author: dependabot[bot]

samples/databases/wide-world-importers/wwi-app/wwwroot/lib/webcomponentsjs/package-lock.json

@@ -43,7 +43,7 @@
     "gulp-header": "^1.8.9",
     "gulp-rename": "^1.2.2",
     "gulp-sourcemaps": "^2.4.1",
-    "rollup-plugin-babel": "^2.7.1",
+    "rollup-plugin-babel": "^4.4.0",
     "rollup-stream": "=1.23",
     "run-sequence": "^2.0.0",
     "vinyl-buffer": "^1.0.0",