fix(deps): update dependency @sendgrid/mail to v8 (#4871)

Author: renovate-bot

packages/google-cloud-compute/samples/package.json

@@ -15,7 +15,7 @@
   },
   "dependencies": {
     "@google-cloud/compute": "^4.0.1",
-    "@sendgrid/mail": "^7.0.0",
+    "@sendgrid/mail": "^8.0.0",
     "nodemailer": "^6.0.0",
     "nodemailer-smtp-transport": "^2.7.4"
   },