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 (f4cbe57) to head (414ea28). Report is 7 commits behind head on main.

Additional details and impacted files

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