Update citation file

[glatterf42]

Closes #786 by

• introducing the doi, version, and date-released keys
• introducing quotation marks for strings containing white spaces and other special signs
• updating all quotation marks from ' to the recommended "
• updating the list of authors
• updating the release procedure to update the new keys

How to review

• Read the diff and note that the CI checks all pass.
• Build the documentation and look at the release procedure page.
• If you know how to see what the new automatic citations by GitHub will look like, please check they are looking as intended.

PR checklist

• [x] Continuous integration checks all ✅
• ~[ ] Add or expand tests; coverage checks both ✅~ Only updating docs
• [x] Add, expand, or update documentation.
• ~[ ] Update release notes.~ Only updating docs

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 95.4%. Comparing base (4207f5c) to head (414ea28). Report is 56 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #792   +/-   ##
=====================================
  Coverage   95.4%   95.4%           
=====================================
  Files         46      46           
  Lines       4354    4354           
=====================================
  Hits        4156    4156           
  Misses       198     198