Update reference to "protobufjs" (npm audit fix)

[andreibancioiu]

protobufjs  6.10.0 - 7.2.3
protobufjs Prototype Pollution vulnerability - https://github.com/advisories/GHSA-h755-8qp9-cq85

For reviewers

git checkout main
git checkout -b review
npm audit fix --force
git add package.json
git add package-lock.json
git commit -m "for review"
git checkout npm-audit-fix-12 -- .

No relevant package-lock changes should be pending.