Bump software.amazon.awssdk:bom from 2.20.162 to 2.21.0

Bumps software.amazon.awssdk:bom from 2.20.162 to 2.21.0.

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

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pom.xml

@@ -29,7 +29,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <quarkus.version>3.4.3</quarkus.version>
-    <awssdk.version>2.20.162</awssdk.version>
+    <awssdk.version>2.21.0</awssdk.version>
     <aws.common.version>2.5.2</aws.common.version>
   </properties>
   <dependencyManagement>