Update dependency com.jcabi:jcabi to v1.39.0

pom.xml

@@ -33,7 +33,7 @@ OF THE POSSIBILITY OF SUCH DAMAGE.
   <parent>
     <groupId>com.jcabi</groupId>
     <artifactId>jcabi</artifactId>
-    <version>1.38.0</version>
+    <version>1.39.0</version>
   </parent>
   <artifactId>jcabi-velocity</artifactId>
   <version>1.0-SNAPSHOT</version>