Upgrade to Classmate 1.3.3

Closes gh-7281

spring-boot-dependencies/pom.xml

@@ -53,7 +53,7 @@
 		<bitronix.version>2.1.4</bitronix.version>
 		<caffeine.version>2.3.3</caffeine.version>
 		<cassandra-driver.version>2.1.9</cassandra-driver.version>
-		<classmate.version>1.3.1</classmate.version>
+		<classmate.version>1.3.3</classmate.version>
 		<commons-beanutils.version>1.9.2</commons-beanutils.version>
 		<commons-collections.version>3.2.2</commons-collections.version>
 		<commons-codec.version>1.10</commons-codec.version>