chore(deps): bump dot-prop and @commitlint/travis-cli

Bumps [dot-prop](https://github.com/sindresorhus/dot-prop) to 5.3.0 and updates ancestor dependency [@commitlint/travis-cli](https://github.com/conventional-changelog/commitlint/tree/HEAD/@commitlint/travis-cli). These dependencies need to be updated together.


Updates `dot-prop` from 3.0.0 to 5.3.0
- [Release notes](https://github.com/sindresorhus/dot-prop/releases)
- [Commits](sindresorhus/dot-prop@v3.0.0...v5.3.0)

Updates `@commitlint/travis-cli` from 8.3.6 to 20.1.0
- [Release notes](https://github.com/conventional-changelog/commitlint/releases)
- [Changelog](https://github.com/conventional-changelog/commitlint/blob/master/@commitlint/travis-cli/CHANGELOG.md)
- [Commits](https://github.com/conventional-changelog/commitlint/commits/v20.1.0/@commitlint/travis-cli)

---
updated-dependencies:
- dependency-name: dot-prop
  dependency-version: 5.3.0
  dependency-type: indirect
- dependency-name: "@commitlint/travis-cli"
  dependency-version: 20.1.0
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]