Bump version to 2.1.2

Author: github-actions[bot]

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>edu.stanford.protege</groupId>
     <artifactId>webprotege-authorization</artifactId>
-    <version>2.1.1</version>
+    <version>2.1.2</version>
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>