Prep for 2.18.4

Author: cowtowncoder

pom.xml

@@ -3,7 +3,7 @@
   <parent>
     <groupId>com.fasterxml.jackson</groupId>
     <artifactId>jackson-base</artifactId>
-    <version>2.18.4-SNAPSHOT</version>
+    <version>2.18.4</version>
   </parent>
   <groupId>com.fasterxml.jackson.module</groupId>
   <artifactId>jackson-modules-java8</artifactId>

release-notes/VERSION-2.x

@@ -8,7 +8,7 @@ Modules:
 === Releases ===
 ------------------------------------------------------------------------
 
-2.18.4 (not yet released)
+2.18.4 (06-May-2025)
 
 #291: `InstantDeserializer` fails to parse negative numeric timestamp strings
   for pre-1970 values