Bump project and Gerrit version to v3.4.8

Change-Id: I2e391c358ef59b986ac1a7cf32b00719b00d4d93
diff --git a/pom.xml b/pom.xml
index 22ea4e5..7440690 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>com.gerritforge</groupId>
     <artifactId>global-refdb</artifactId>
-    <version>3.4.4.4</version>
+    <version>3.4.8</version>
     <packaging>jar</packaging>
 
     <name>global-refdb</name>
@@ -38,7 +38,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <gerrit.version>3.4.4</gerrit.version>
+        <gerrit.version>${project.version}</gerrit.version>
     </properties>
 
     <dependencies>