[data.tbpoc] Fix foldnames, and contents

pyproject.toml

src/ptbench/data/tbpoc/fold-0.json

src/ptbench/data/tbpoc/fold-1.json

src/ptbench/data/tbpoc/fold-2.json

src/ptbench/data/tbpoc/fold-3.json

src/ptbench/data/tbpoc/fold-4.json

src/ptbench/data/tbpoc/fold-5.json

src/ptbench/data/tbpoc/fold-6.json

src/ptbench/data/tbpoc/fold-7.json

src/ptbench/data/tbpoc/fold-8.json

src/ptbench/data/tbpoc/fold-9.json

src/ptbench/data/tbpoc/fold_0.json.bz2

src/ptbench/data/tbpoc/fold_0.py

src/ptbench/data/tbpoc/fold_1.json.bz2

src/ptbench/data/tbpoc/fold_1.py

src/ptbench/data/tbpoc/fold_2.json.bz2

src/ptbench/data/tbpoc/fold_2.py

src/ptbench/data/tbpoc/fold_3.json.bz2

src/ptbench/data/tbpoc/fold_3.py

src/ptbench/data/tbpoc/fold_4.json.bz2