Prepare for 2.15.4 release

Author: cowtowncoder

pom.xml

@@ -9,7 +9,7 @@
   <parent>
     <groupId>com.fasterxml.jackson</groupId>
     <artifactId>jackson-base</artifactId>
-    <version>2.15.4-SNAPSHOT</version>
+    <version>2.15.4</version>
   </parent>
   <groupId>com.fasterxml.jackson.dataformat</groupId>
   <artifactId>jackson-dataformat-xml</artifactId>

release-notes/VERSION-2.x

@@ -4,6 +4,7 @@ Project: jackson-dataformat-xml
 === Releases ===
 ------------------------------------------------------------------------
 
+2.15.4 (15-Feb-2024)
 2.15.3 (12-Oct-2023)
 2.15.2 (30-May-2023)
 2.15.1 (16-May-2023)