Bump version to 1.1.1-SNAPSHOT.

Change-Id: I0aa9ec116a0cea8d7d6dee2185a787793e5c1f8e
diff --git a/pom.xml b/pom.xml
index 7e24649..e6ded07 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>eu.mulk.quarkus-googlecloud-jsonlogging</groupId>
-  <version>1.1.0</version>
+  <version>1.1.1-SNAPSHOT</version>
 
   <artifactId>quarkus-googlecloud-jsonlogging-parent</artifactId>
   <packaging>pom</packaging>