Release 3.1.0.

Change-Id: Ifbc5ae90d3b082cb8633563d6e53d5c221d4ba26
diff --git a/pom.xml b/pom.xml
index 0fb470e..44868f1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>eu.mulk.quarkus-googlecloud-jsonlogging</groupId>
-  <version>3.0.1-SNAPSHOT</version>
+  <version>3.1.0</version>
 
   <artifactId>quarkus-googlecloud-jsonlogging-parent</artifactId>
   <packaging>pom</packaging>