chore(deps-dev): bump @babel/plugin-transform-async-generator-functions

Bumps [@babel/plugin-transform-async-generator-functions](https://github.com/babel/babel/tree/HEAD/packages/babel-plugin-transform-async-generator-functions) from 7.25.9 to 7.26.8.
- [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/v7.26.8/packages/babel-plugin-transform-async-generator-functions)

---
updated-dependencies:
- dependency-name: "@babel/plugin-transform-async-generator-functions"
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]