Bump protobufjs from 7.1.2 to 7.2.6 in /frontend

Bumps [protobufjs](https://github.com/protobufjs/protobuf.js) from 7.1.2 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-v7.1.2...protobufjs-v7.2.6)

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

Signed-off-by: dependabot[bot] <support@github.com>

frontend/yarn.lock

@@ -12029,9 +12029,9 @@ promise.hash.helper@^1.0.7:
   integrity sha512-0qhWYyCV9TYDMSooYw1fShIb7R6hsWYja7JLqbeb1MvHqDTvP/uy/R1RsyVqDi6GCiHOI4G5p2Hpr3IA+/l/+Q==
 
 protobufjs@>=6.11.3, protobufjs@^6.10.0:
-  version "7.1.2"
-  resolved "https://registry.yarnpkg.com/protobufjs/-/protobufjs-7.1.2.tgz#a0cf6aeaf82f5625bffcf5a38b7cd2a7de05890c"
-  integrity sha512-4ZPTPkXCdel3+L81yw3dG6+Kq3umdWKh7Dc7GW/CpNk4SX3hK58iPCWeCyhVTDrbkNeKrYNZ7EojM5WDaEWTLQ==
+  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"