Bump examples/codelabs from d3aa1c0 to ffade37 (#8219)

Bumps [examples/codelabs](https://github.com/flutter/codelabs) from `d3aa1c0` to `ffade37`.
- [Release notes](https://github.com/flutter/codelabs/releases)
- [Commits](flutter/codelabs@d3aa1c0...ffade37)

---
updated-dependencies:
- dependency-name: examples/codelabs
  dependency-type: direct:production
...

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

Author: dependabot[bot]