Bump io.vertx:vertx-stack-depchain from 4.5.8 to 4.5.9

Bumps io.vertx:vertx-stack-depchain from 4.5.8 to 4.5.9.

---
updated-dependencies:
- dependency-name: io.vertx:vertx-stack-depchain
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -61,7 +61,7 @@
     <maven.compiler.source>11</maven.compiler.source>
     <maven.compiler.target>11</maven.compiler.target>
 
-    <vertx.version>4.5.8</vertx.version>
+    <vertx.version>4.5.9</vertx.version>
     <rxjava.version>2.2.21</rxjava.version>
     <cloudevent.version>1.1.0</cloudevent.version>
     <weld.version>5.1.2.Final</weld.version>