chore(release): prepare 1.9.0

Author: muhammetsafak

CHANGELOG.md

@@ -9,6 +9,8 @@ The envelope wire format is versioned separately by `meta.schema_version`
 
 ## [Unreleased]
 
+## [1.9.0] - 2026-10-11
+
 ### Added
 - **`Redrive.KeyedRepublisher`: optional transport capability for key-preserving redrive.**
   `Redrive.redrive` hands the reserved DLQ message to a `Redrive.Transport` that also implements

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.babelqueue</groupId>
     <artifactId>babelqueue-core</artifactId>
-    <version>1.8.0</version>
+    <version>1.9.0</version>
     <packaging>jar</packaging>
 
     <name>BabelQueue Core</name>