Update libraries to current versions.

com.jcraft:jsch ............................. 0.1.53 -> 0.1.54
org.assertj:assertj-core ...................... 3.5.2 -> 3.8.0

Author: stefanbirkner

pom.xml

@@ -60,7 +60,7 @@
         <dependency>
             <groupId>com.jcraft</groupId>
             <artifactId>jsch</artifactId>
-            <version>[0.1.53]</version>
+            <version>[0.1.54]</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -72,7 +72,7 @@
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
-            <version>[3.5.2]</version>
+            <version>[3.8.0]</version>
             <scope>test</scope>
         </dependency>
         <dependency>