Prepare 5.4.0-SNAPSHOT builds

Change-Id: I90a4791f63d0eba23da744c720e869f1830b86e7
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

pom.xml

diff --git a/pom.xml b/pom.xml
index 5967214..88bbc86 100644
--- a/pom.xml
+++ b/pom.xml
@@ -51,7 +51,7 @@
   <groupId>org.eclipse.jgit</groupId>
   <artifactId>org.eclipse.jgit-parent</artifactId>
   <packaging>pom</packaging>
-  <version>5.3.0-SNAPSHOT</version>
+  <version>5.4.0-SNAPSHOT</version>
 
   <name>JGit - Parent</name>
   <url>${jgit-url}</url>