chore(deps-dev): bump @babel/plugin-transform-optional-chaining (#900)

Bumps [@babel/plugin-transform-optional-chaining](https://github.com/babel/babel/tree/HEAD/packages/babel-plugin-transform-optional-chaining) from 7.27.1 to 7.28.6.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.28.6/packages/babel-plugin-transform-optional-chaining)

---
updated-dependencies:
- dependency-name: "@babel/plugin-transform-optional-chaining"
  dependency-version: 7.28.6
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]