Bump aws-sdk from 2.817.0 to 2.820.0

Bumps [aws-sdk](https://github.com/aws/aws-sdk-js) from 2.817.0 to 2.820.0.
- [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@v2.817.0...v2.820.0)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -39,7 +39,7 @@
         "webpack-cli": "^4.3.0"
     },
     "dependencies": {
-        "aws-sdk": "^2.817.0",
+        "aws-sdk": "^2.820.0",
         "deepmerge": "^4.2.2",
         "minimatch": "^3.0.4"
     }