Bump aws-java-sdk-s3 from 1.12.503 to 1.12.504 (#650)

Bumps [aws-java-sdk-s3](https://github.com/aws/aws-sdk-java) from 1.12.503 to 1.12.504.
- [Changelog](https://github.com/aws/aws-sdk-java/blob/master/CHANGELOG.md)
- [Commits](aws/aws-sdk-java@1.12.503...1.12.504)

---
updated-dependencies:
- dependency-name: com.amazonaws:aws-java-sdk-s3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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gytheio-content-handlers/gytheio-content-handler-s3/pom.xml

@@ -11,7 +11,7 @@
     <artifactId>gytheio-content-handler-s3</artifactId>
 
     <properties>
-        <dependency.aws-java-sdk.version>1.12.503</dependency.aws-java-sdk.version>
+        <dependency.aws-java-sdk.version>1.12.504</dependency.aws-java-sdk.version>
     </properties>
 
     <dependencies>