Bump version number to 2.3 (#734)

Author: jpassing

sources/pom.xml

@@ -24,7 +24,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.solutions</groupId>
   <artifactId>jitaccess</artifactId>
-  <version>2.2.0</version>
+  <version>2.3.0</version>
   <properties>
     <surefire-plugin.version>3.5.3</surefire-plugin.version>
     <maven.compiler.target>17</maven.compiler.target>