Bump com.amazonaws:aws-java-sdk-core from 1.12.287 to 1.12.770 (#2496)

Bumps [com.amazonaws:aws-java-sdk-core](https://github.com/aws/aws-sdk-java) from 1.12.287 to 1.12.770.
- [Changelog](https://github.com/aws/aws-sdk-java/blob/master/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-java/compare/1.12.287...1.12.770)

---
updated-dependencies:
- dependency-name: com.amazonaws:aws-java-sdk-core
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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spring-cloud-config-server/pom.xml

@@ -215,7 +215,7 @@
 		<dependency>
 			<groupId>com.amazonaws</groupId>
 			<artifactId>aws-java-sdk-core</artifactId>
-			<version>1.12.287</version>
+			<version>1.12.770</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>