Upgrade versions to what we have CQs on (#3945)

* Upgrade versions to what we have CQs on

Signed-off-by: Jan Supol <jan.supol@oracle.com>

ext/spring4/pom.xml

diff --git a/ext/spring4/pom.xml b/ext/spring4/pom.xml
index 450eba3..7808a58 100644
--- a/ext/spring4/pom.xml
+++ b/ext/spring4/pom.xml
@@ -151,7 +151,7 @@
     </dependencies>
 
     <properties>
-        <spring4.version>4.3.4.RELEASE</spring4.version>
+        <spring4.version>4.3.8.RELEASE</spring4.version>
     </properties>
 
     <build>