refactor(aliby): PosixPath->Path

src/agora/abc.py

src/agora/io/cells.py

src/agora/io/metadata.py

src/agora/io/signal.py

src/aliby/baby_client.py

src/aliby/bin/annotate.py

src/aliby/io/dataset.py

src/aliby/io/image.py

src/aliby/io/omero.py

src/aliby/pipeline.py

src/aliby/tile/tiler.py

src/aliby/track/cell_tracker.py

src/aliby/utils/argo.py

src/aliby/utils/imageViewer.py

src/extraction/core/functions/defaults.py

src/logfile_parser/swainlab_parser.py

src/postprocessor/compiler.py

src/postprocessor/grouper.py

tests/agora/conftest.py