Bump software.amazon.awssdk:bom from 2.22.9 to 2.23.9

Bumps software.amazon.awssdk:bom from 2.22.9 to 2.23.9.

---
updated-dependencies:
- dependency-name: software.amazon.awssdk:bom
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

build.gradle

@@ -24,7 +24,7 @@ version = '0.31.1-SNAPSHOT'
 group = 'de.otto.synapse'
 
 ext {
-    awsSdkVersion = "2.22.9"
+    awsSdkVersion = "2.23.9"
     springBootVersion = "3.1.3"
     edisonVersion = "3.1.7"
     testcontainersVersion = "1.19.3"