[deps] Replace clapp by clapper.

conda/meta.yaml

pyproject.toml

src/bob/pad/base/script/cross.py

src/bob/pad/base/script/finalize_scores.py

src/bob/pad/base/script/pad.py

src/bob/pad/base/script/pad_commands.py

src/bob/pad/base/script/run_pipeline.py