Update dependency org.simplejavamail:simple-java-mail to v9

Author: xdev-renovate

mailpit-java-client/pom.xml

@@ -129,7 +129,7 @@
 		<dependency>
 			<groupId>org.simplejavamail</groupId>
 			<artifactId>simple-java-mail</artifactId>
-			<version>8.12.6</version>
+			<version>9.1.5</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>