Bump protobufjs from 7.2.4 to 7.2.6 in /examples/deterministic-roundtrip (#106)

Bumps [protobufjs](https://github.com/protobufjs/protobuf.js) from 7.2.4 to 7.2.6.
- [Release notes](https://github.com/protobufjs/protobuf.js/releases)
- [Changelog](https://github.com/protobufjs/protobuf.js/blob/master/CHANGELOG.md)
- [Commits](protobufjs/protobuf.js@protobufjs-v7.2.4...protobufjs-v7.2.6)

---
updated-dependencies:
- dependency-name: protobufjs
  dependency-type: indirect
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

examples/deterministic-roundtrip/yarn.lock

@@ -98,9 +98,9 @@ node-fetch@2.6.12:
     whatwg-url "^5.0.0"
 
 protobufjs@^7.2.4:
-  version "7.2.4"
-  resolved "https://registry.yarnpkg.com/protobufjs/-/protobufjs-7.2.4.tgz#3fc1ec0cdc89dd91aef9ba6037ba07408485c3ae"
-  integrity sha512-AT+RJgD2sH8phPmCf7OUZR8xGdcJRga4+1cOaXJ64hvcSkVhNcRHOwIxUatPH15+nj59WAGTDv3LSGZPEQbJaQ==
+  version "7.2.6"
+  resolved "https://registry.yarnpkg.com/protobufjs/-/protobufjs-7.2.6.tgz#4a0ccd79eb292717aacf07530a07e0ed20278215"
+  integrity sha512-dgJaEDDL6x8ASUZ1YqWciTRrdOuYNzoOf27oHNfdyvKqHr5i0FV7FSLU+aIeFjyFgVxrpTOtQUi0BLLBymZaBw==
   dependencies:
     "@protobufjs/aspromise" "^1.1.2"
     "@protobufjs/base64" "^1.1.2"