Bump protobufjs, @google-cloud/logging-bunyan and @google-cloud/monitoring (#2279)

Bumps [protobufjs](https://github.com/protobufjs/protobuf.js) to 7.2.6 and updates ancestor dependencies [protobufjs](https://github.com/protobufjs/protobuf.js), [@google-cloud/logging-bunyan](https://github.com/googleapis/nodejs-logging-bunyan) and [@google-cloud/monitoring](https://github.com/googleapis/google-cloud-node/tree/HEAD/packages/google-cloud-monitoring). These dependencies need to be updated together.


Updates `protobufjs` 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](https://github.com/protobufjs/protobuf.js/compare/protobufjs-v7.2.4...protobufjs-v7.2.6)

Updates `@google-cloud/logging-bunyan` from 5.0.0 to 5.1.0
- [Release notes](https://github.com/googleapis/nodejs-logging-bunyan/releases)
- [Changelog](https://github.com/googleapis/nodejs-logging-bunyan/blob/main/CHANGELOG.md)
- [Commits](https://github.com/googleapis/nodejs-logging-bunyan/compare/v5.0.0...v5.1.0)

Updates `@google-cloud/monitoring` from 3.0.5 to 4.0.0
- [Release notes](https://github.com/googleapis/google-cloud-node/releases)
- [Changelog](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-monitoring/CHANGELOG.md)
- [Commits](https://github.com/googleapis/google-cloud-node/commits/kms-v4.0.0/packages/google-cloud-monitoring)

---
updated-dependencies:
- dependency-name: protobufjs
  dependency-type: indirect
- dependency-name: "@google-cloud/logging-bunyan"
  dependency-type: direct:production
- dependency-name: "@google-cloud/monitoring"
  dependency-type: direct:production
...

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

blueprints/apigee/apigee-x-foundations/functions/instance-monitor/package.json

@@ -13,8 +13,8 @@
   "license": "ISC",
   "dependencies": {
     "@google-cloud/functions-framework": "^3.3.0",
-    "@google-cloud/logging-bunyan": "^5.0.0",
+    "@google-cloud/logging-bunyan": "^5.1.0",
     "bunyan": "^1.8.15",
-    "@google-cloud/monitoring": "^3.0.5"
+    "@google-cloud/monitoring": "^4.0.0"
   }
 }