Bump version to 3.1.4-SNAPSHOT.

Change-Id: I80b55956f3f1cecec9e20082db09a86cd073d0e0
diff --git a/pom.xml b/pom.xml
index cfd60ba..0e7c39a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>eu.mulk.quarkus-googlecloud-jsonlogging</groupId>
-  <version>3.1.3</version>
+  <version>3.1.4-SNAPSHOT</version>
 
   <artifactId>quarkus-googlecloud-jsonlogging-parent</artifactId>
   <packaging>pom</packaging>