Add support for dask distributed scheduler in quantum detector reader

[ericpre]

Progress of the PR

• [x] Add support for dask distributed scheduler in quantum detector reader - similar to #162 and #11,
• [x] update docstring (if appropriate),
• [x] update user guide (if appropriate),
• [x] add a changelog entry in the upcoming_changes folder (see upcoming_changes/README.rst),
• [x] Check formatting of the changelog entry (and eventual user guide changes) in the docs/readthedocs.org:rosettasciio build of this PR (link in github checks)
• [x] add tests,
• [x] ready for review.

[ericpre]

Thank you @CSSFrancis, as you suggested in https://github.com/hyperspy/rosettasciio/issues/266#issuecomment-2137908588, #11 was useful to figure out the details with the structured dtype - pretty much copy & paste the relevant bits! 😄