Upgrade jdkim library to 0.5

Author: Arsnael

server/mailet/dkim/pom.xml

@@ -33,7 +33,7 @@
     <description>Mailet adapter for the JDKIM library</description>
 
     <properties>
-        <jdkim.version>0.3</jdkim.version>
+        <jdkim.version>0.5</jdkim.version>
     </properties>
 
     <dependencies>

server/protocols/protocols-smtp-dkim/pom.xml

@@ -33,7 +33,7 @@
     <name>Apache James :: Server :: SMTP :: DKIM</name>
 
     <properties>
-        <jdkim.version>0.3</jdkim.version>
+        <jdkim.version>0.5</jdkim.version>
     </properties>
 
     <dependencies>