Update dependency com.icegreen:greenmail to v2

build.gradle

@@ -138,7 +138,7 @@ dependencies {
     api 'org.postgresql:postgresql:42.7.10'
 
     // MariaDB/MySQL
-    api 'org.mariadb.jdbc:mariadb-java-client:3.5.8'
+    api 'org.mariadb.jdbc:mariadb-java-client:3.5.7'
 
     // UNIX sockets
     api 'com.kohlschutter.junixsocket:junixsocket-core:2.10.1'
@@ -161,7 +161,7 @@ dependencies {
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'com.github.tomakehurst:wiremock:3.0.1'
     testImplementation 'com.unboundid:unboundid-ldapsdk:7.0.4'
-    testImplementation 'com.icegreen:greenmail:1.6.15'
+    testImplementation 'com.icegreen:greenmail:2.1.8'
 }
 
 jar {