Issue #2992765 by EdwardSEM, Perignon: Upgrade to new library because of PHP7.2 compat

composer.json

@@ -13,6 +13,6 @@
     "php"
   ],
   "require": {
-    "fastglass/sendgrid": ">=1.0.6"
+    "fastglass/sendgrid": ">=1.0.9"
   }
 }