Make Zarr3 default and deprecations

[normanrz]

Description:

• Makes Zarr3 the default data format
• Removes deprecated functions, properties, arguments
• Changes the writing behavior to include a allow_resize and allow_unaligned argument to make it more robust against accidental concurrency issues
• MagViews are compressed by default

Issues:

• fixes #1080

Todos:

• [x] List all deprecations in the changelog
• [x] Add tests for new allow_resize behavior
• [x] Add allow_unaligned arg
• [x] Fix from_images for unexpected bboxes

Make sure to delete unnecessary points or to check all before merging:

• [x] Updated Changelog
• [x] Updated Documentation
• [x] Added / Updated Tests
• [x] Updated examples

[normanrz]

@markbader This PR is now ready for your review.