chore(deps): bump dot-prop and conventional-changelog

Bumps [dot-prop](https://github.com/sindresorhus/dot-prop) to 5.3.0 and updates ancestor dependency [conventional-changelog](https://github.com/conventional-changelog/conventional-changelog). 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 `conventional-changelog` from 1.1.24 to 3.1.25
- [Release notes](https://github.com/conventional-changelog/conventional-changelog/releases)
- [Changelog](https://github.com/conventional-changelog/conventional-changelog/blob/master/.release-please-manifest.json)
- [Commits](https://github.com/conventional-changelog/conventional-changelog/compare/conventional-changelog@1.1.24...conventional-changelog-v3.1.25)

---
updated-dependencies:
- dependency-name: dot-prop
  dependency-type: indirect
- dependency-name: conventional-changelog
  dependency-type: direct:development
...

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

Author: dependabot[bot]