Bump up version to 3.1.2

Author: akkinoc

pom.xml

@@ -8,7 +8,7 @@
 
     <groupId>dev.akkinoc.spring.boot</groupId>
     <artifactId>logback-access-spring-boot-starter</artifactId>
-    <version>3.1.2-SNAPSHOT</version>
+    <version>3.1.2</version>
 
     <name>logback-access-spring-boot-starter</name>
     <description>Spring Boot Starter for Logback-access.</description>