chore(deps-dev): bump doctoc from 1.4.0 to 2.0.0 (#2886)

Bumps [doctoc](https://github.com/thlorenz/doctoc) from 1.4.0 to 2.0.0.
- [Release notes](https://github.com/thlorenz/doctoc/releases)
- [Commits](https://github.com/thlorenz/doctoc/compare/v1.4.0...v2.0.0)

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

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