feat(chunkah): set SOURCE_DATE_EPOCH=0 for reproducibility - #836

No file matched to [/home/runner/work/cli/cli/**/*requirements*.txt,/home/runner/work/cli/cli/**/*requirements*.in,/home/runner/work/cli/cli/**/*constraints*.txt,/home/runner/work/cli/cli/**/*constraints*.in,/home/runner/work/cli/cli/**/pyproject.toml,/home/runner/work/cli/cli/**/uv.lock,/home/runner/work/cli/cli/**/*.py.lock]. The cache will never get invalidated. Make sure you have checked out the target repository and configured the cache-dependency-glob input correctly.