deps: bump protobufjs from 7.5.4 to 8.0.0

Bumps [protobufjs](https://github.com/protobufjs/protobuf.js) from 7.5.4 to 8.0.0.
- [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-v7.5.4...protobufjs-v8.0.0)

---
updated-dependencies:
- dependency-name: protobufjs
  dependency-version: 8.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

packages/protons-benchmark/package.json

@@ -56,7 +56,7 @@
     "aegir": "^47.0.5",
     "benchmark": "^2.1.4",
     "pbjs": "^0.0.14",
-    "protobufjs": "^7.0.0",
+    "protobufjs": "^8.0.0",
     "protons": "^7.0.0",
     "protons-runtime": "^5.0.0",
     "uint8arraylist": "^2.4.3"

packages/protons/package.json

@@ -58,7 +58,7 @@
     "aegir": "^47.0.5",
     "long": "^5.2.0",
     "pbjs": "^0.0.14",
-    "protobufjs": "^7.0.0",
+    "protobufjs": "^8.0.0",
     "uint8arraylist": "^2.4.3",
     "uint8arrays": "^5.0.1"
   }