Bump dot-prop from 4.2.0 to 4.2.1 in /body-pix/demos (#588)
Bump dot-prop from 4.2.0 to 4.2.1 in /body-pix/demos (#588)

Bumps [dot-prop](https://github.com/sindresorhus/dot-prop) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/sindresorhus/dot-prop/releases)
- [Commits](https://github.com/sindresorhus/dot-prop/compare/v4.2.0...v4.2.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
Co-authored-by: Ping Yu <e3982a96662cc73e971d68f6aafe25f9d2e93e85@users.noreply.github.com>
tensorflow/tfjs-models,tensorflow/tfjs-models,tensorflow/tfjs-models,tensorflow/tfjs-models