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 1.1.15 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@1.1.15...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]