Prep for 2.21 release

Author: cowtowncoder

pom.xml

@@ -48,7 +48,7 @@ of Jackson components maintained by FasterXML.com
   </scm>
 
   <properties>
-    <jackson.version>2.21.0-SNAPSHOT</jackson.version>
+    <jackson.version>2.21.0</jackson.version>
 
     <!-- 25-Sep-2019, tatu: With Jackson 2.x we release full patch-level versions
            of annotations BUT they are all identical, content-wise.
@@ -59,7 +59,7 @@ of Jackson components maintained by FasterXML.com
     <!-- 10-Jul-2025, tatu: Jackson 2.20 finally drops patch from `jackson-annotations`:
         hence we need to separate it out.
       -->
-    <jackson.version.annotations>2.21-SNAPSHOT</jackson.version.annotations>
+    <jackson.version.annotations>2.21</jackson.version.annotations>
 
     <jackson.version.core>${jackson.version}</jackson.version.core>
     <jackson.version.databind>${jackson.version}</jackson.version.databind>