Bump software.amazon.awssdk:bom from 2.29.52 to 2.30.4 (#2715)

Bumps software.amazon.awssdk:bom from 2.29.52 to 2.30.4.

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

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pom.xml

@@ -28,7 +28,7 @@
 	<properties>
 		<bintray.package>config</bintray.package>
 		<spring-cloud-commons.version>4.3.0-SNAPSHOT</spring-cloud-commons.version>
-		<aws-java-sdk.version>2.29.52</aws-java-sdk.version>
+		<aws-java-sdk.version>2.30.4</aws-java-sdk.version>
 		<google-api-services-iam.version>v1-rev20201112-1.30.10</google-api-services-iam.version>
 		<wiremock.version>2.35.2</wiremock.version>
 		<spring-cloud-aws.version>3.2.1</spring-cloud-aws.version>