chore(deps): bump @google-cloud/pubsub from 2.10.0 to 2.11.0

Bumps [@google-cloud/pubsub](https://github.com/googleapis/nodejs-pubsub) from 2.10.0 to 2.11.0.
- [Release notes](https://github.com/googleapis/nodejs-pubsub/releases)
- [Changelog](https://github.com/googleapis/nodejs-pubsub/blob/master/CHANGELOG.md)
- [Commits](https://github.com/googleapis/nodejs-pubsub/compare/v2.10.0...v2.11.0)

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

packages/fxa-customs-server/package.json

@@ -22,7 +22,7 @@
     "format": "prettier --write --config ../../_dev/.prettierrc '**'"
   },
   "dependencies": {
-    "@google-cloud/pubsub": "^2.10.0",
+    "@google-cloud/pubsub": "^2.11.0",
     "@hapi/hapi": "^20.1.0",
     "@hapi/hoek": "^9.0.4",
     "@sentry/node": "^6.0.1",

packages/fxa-event-broker/package.json

@@ -31,7 +31,7 @@
   "readmeFilename": "README.md",
   "dependencies": {
     "@google-cloud/firestore": "^4.9.8",
-    "@google-cloud/pubsub": "^2.10.0",
+    "@google-cloud/pubsub": "^2.11.0",
     "@grpc/grpc-js": "^1.1.3",
     "@hapi/hoek": "^9.0.4",
     "@hapi/joi": "^15.1.1",

packages/fxa-metrics-processor/package.json

@@ -23,7 +23,7 @@
   "homepage": "https://github.com/mozilla/fxa#readme",
   "readmeFilename": "README.md",
   "dependencies": {
-    "@google-cloud/pubsub": "^2.10.0",
+    "@google-cloud/pubsub": "^2.11.0",
     "@sentry/integrations": "^5.29.1",
     "@sentry/node": "^6.0.1",
     "@types/convict": "^5.2.2",