Bump pdbpp in /{{cookiecutter.app_name}}/requirements

Bumps [pdbpp](https://github.com/antocuni/pdb) from 0.10.0 to 0.10.2.
- [Release notes](https://github.com/antocuni/pdb/releases)
- [Changelog](https://github.com/pdbpp/pdbpp/blob/master/CHANGELOG)
- [Commits](https://github.com/antocuni/pdb/compare/0.10.0...0.10.2

)

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