Upgrade to Sendgrid 4.1.2

Closes gh-10916

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -136,7 +136,7 @@
 		<rxjava2.version>2.1.6</rxjava2.version>
 		<selenium.version>3.6.0</selenium.version>
 		<selenium-htmlunit.version>2.27</selenium-htmlunit.version>
-		<sendgrid.version>4.1.1</sendgrid.version>
+		<sendgrid.version>4.1.2</sendgrid.version>
 		<servlet-api.version>3.1.0</servlet-api.version>
 		<simple-json.version>1.1.1</simple-json.version>
 		<slf4j.version>1.7.25</slf4j.version>