Fix typo 'dand' and remove unnecessary 'will' in docs/contributing.md

[Fardad13]

[codecov[bot]]

Codecov Report

Merging #323 (ca5bb94) into main (04b8b3e) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #323   +/-   ##
=======================================
  Coverage   97.58%   97.58%           
=======================================
  Files         182      182           
  Lines        6054     6054           
=======================================
  Hits         5908     5908           
  Misses        146      146           

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[github-actions[bot]]

📝 Docs preview for commit ca5bb945395d48eb456de0ebfb9cdc30354b922a at: https://630a864f4e7d963f87f35a0d--sqlmodel.netlify.app

[tiangolo]

Good catch, thank you @Fardad13! :cake: