Bump awsSdkVersion from 1.12.719 to 1.12.720

Bumps `awsSdkVersion` from 1.12.719 to 1.12.720.

Updates `com.amazonaws:aws-java-sdk-support` from 1.12.719 to 1.12.720
- [Changelog](https://github.com/aws/aws-sdk-java/blob/master/CHANGELOG.md)
- [Commits](aws/aws-sdk-java@1.12.719...1.12.720)

Updates `com.amazonaws:aws-java-sdk-s3` from 1.12.719 to 1.12.720
- [Changelog](https://github.com/aws/aws-sdk-java/blob/master/CHANGELOG.md)
- [Commits](aws/aws-sdk-java@1.12.719...1.12.720)

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

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle

@@ -18,7 +18,7 @@ buildscript {
     }
 
     ext.akkaVersion = '2.6.20'
-    ext.awsSdkVersion = '1.12.719'
+    ext.awsSdkVersion = '1.12.720'
     ext.comFasterxmlJacksonVersion = '2.14.1'
     ext.orgScalatestVersion = '3.2.15'
 }