docs: add 'shingh' to interested-parties.md

Pre-submission checklist

Please check each of these after submitting your pull request:

[ ] If this is a new entry, have you submitted a signed participation form?
[ ] Did you include the product/project logo in SVG, EPS or AI format?
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[ ] If your product/project is open source, did you include the repo_url?
[ ] Did you copy and paste the installation and configuration instructions into the README.md file in addition to linking to them?