Bump aws-sdk.version from 1.12.787 to 1.12.791

Bumps `aws-sdk.version` from 1.12.787 to 1.12.791.

Updates `com.amazonaws:aws-java-sdk-s3` from 1.12.787 to 1.12.791
- [Changelog](https://github.com/aws/aws-sdk-java/blob/master/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-java/compare/1.12.787...1.12.791)

Updates `com.amazonaws:aws-java-sdk-sts` from 1.12.787 to 1.12.791
- [Changelog](https://github.com/aws/aws-sdk-java/blob/master/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-java/compare/1.12.787...1.12.791)

---
updated-dependencies:
- dependency-name: com.amazonaws:aws-java-sdk-s3
  dependency-version: 1.12.791
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: com.amazonaws:aws-java-sdk-sts
  dependency-version: 1.12.791
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -371,7 +371,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <java.version>11</java.version>
-    <aws-sdk.version>1.12.787</aws-sdk.version>
+    <aws-sdk.version>1.12.791</aws-sdk.version>
     <jclouds.version>2.7.0</jclouds.version>
     <jetty.version>11.0.25</jetty.version>
     <modernizer.version>3.1.0</modernizer.version>