Prepare for 2.18.0 release

Author: cowtowncoder

pom.xml

@@ -6,7 +6,7 @@
     <groupId>com.fasterxml.jackson</groupId>
     <artifactId>jackson-parent</artifactId>
     <!-- note: does NOT change for every version of bom -->
-    <version>2.18-SNAPSHOT</version>
+    <version>2.18</version>
   </parent>
 
   <artifactId>jackson-bom</artifactId>
@@ -49,7 +49,7 @@ of Jackson components maintained by FasterXML.com
   </scm>
 
   <properties>
-    <jackson.version>2.18.0-SNAPSHOT</jackson.version>
+    <jackson.version>2.18.0</jackson.version>
 
     <!-- 25-Sep-2019, tatu: With Jackson 2.x we will release full patch-level versions
            of annotations BUT they are all identical, content-wise.

release-notes/VERSION-2.x

@@ -9,7 +9,7 @@ Jackson components (core, modules)
 === Releases (note: only includes patches with actual changes)
 ------------------------------------------------------------------------
 
-2.18.0 (not yet released)
+2.18.0 (26-Sep-2024)
 
 #68: Remove `junit` 4.x dependency from `jackson-base` 2.18.x to help
   junit5 migration