Bump aws-sdk in /acceptance-tests/aws/s3-test-app (#42)

Bumps [aws-sdk](https://github.com/aws/aws-sdk-js) from 2.881.0 to 2.882.0.
- [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@v2.881.0...v2.882.0)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

acceptance-tests/aws/s3-test-app/package.json

@@ -14,7 +14,7 @@
   "author": "Ernie Billing",
   "license": "Apache-2.0",
   "dependencies": {
-    "aws-sdk": "^2.881.0",
+    "aws-sdk": "^2.882.0",
     "restify": "^8.5.1",
     "vcap_services": "^0.7.1"
   }