Bump aws-sdk-s3 from 1.9.1 to 1.20.0 (#8848)

Bumps [aws-sdk-s3](https://github.com/aws/aws-sdk-ruby) from 1.9.1 to 1.20.0.
- [Release notes](https://github.com/aws/aws-sdk-ruby/releases)
- [Changelog](https://github.com/aws/aws-sdk-ruby/blob/master/gems/aws-sdk-s3/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-ruby/commits)

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

Gemfile

@@ -15,7 +15,7 @@ gem 'makara', '~> 0.4'
 gem 'pghero', '~> 2.2'
 gem 'dotenv-rails', '~> 2.2', '< 2.3'
 
-gem 'aws-sdk-s3', '~> 1.9', require: false
+gem 'aws-sdk-s3', '~> 1.20', require: false
 gem 'fog-core', '~> 1.45'
 gem 'fog-openstack', '~> 0.1', require: false
 gem 'paperclip', '~> 6.0'