Bump aws-sdk from 2.618.0 to 2.619.0 (#494)

Bumps [aws-sdk](https://github.com/aws/aws-sdk-js) from 2.618.0 to 2.619.0.
- [Release notes](https://github.com/aws/aws-sdk-js/releases)
- [Changelog](https://github.com/aws/aws-sdk-js/blob/master/CHANGELOG.md)
- [Commits](aws/aws-sdk-js@v2.618.0...v2.619.0)

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

Author: dependabot-preview[bot]

yarn.lock

@@ -560,9 +560,9 @@ atob@^2.0.0:
   integrity sha512-SuiKH8vbsOyCALjA/+EINmt/Kdl+TQPrtFgW7XZZcwtryFu9e5kQoX3bjCW6mIvGH1fbeAZZuvwGR5IlBRznGw==
 
 aws-sdk@^2.458.0:
-  version "2.618.0"
-  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.618.0.tgz#628d4d3bdd5024ce0701ff74713e5be0a2ffd803"
-  integrity sha512-GlwR9Eeolhm/D6NFuJosyatsdDeIeV68VRkACwt2v81seFGT7QAtpcRN72ZzVxLbeXSTMRgb6axJK17CS5whKw==
+  version "2.619.0"
+  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.619.0.tgz#daacd97fb8d948c10278071129c12908039ab542"
+  integrity sha512-qujQf27p3mrGZGCL+C+vXCEB08AMm6gS1572fgHrVLBXfy6SjhV4dzEYtt+ZptQm+8z0zuHsDqghJuBCcdpxqQ==
   dependencies:
     buffer "4.9.1"
     events "1.1.1"