Update aws-sdk requirement from ~> 2.3 to >= 2.3, < 4.0

[dependabot-preview[bot]]

Updates the requirements on aws-sdk to permit the latest version.

Changelog

Sourced from aws-sdk's changelog.

3.0.1 (2017-08-31)

• Issue - Update aws-sdk gemspec metadata

3.0.0 (2017-08-29)

3.0.0.rc9 (2017-06-26)

• Feature - Now aws-sdk gem is the wrapper gem of aws-sdk-resources gem.

3.0.0.rc8 (2017-05-23)

• Feature - Added a dependency on the new aws-sdk-athena gem.

3.0.0.rc7 (2017-05-05)

• Feature - Added a dependency on the new aws-sdk-states gem.

• Feature - Added a dependency on the new aws-sdk-marketplaceentitlementservice gem.

• Feature - Added a dependency on the new aws-sdk-lex gem.

3.0.0.rc6 (2017-04-21)

• Feature - Added a dependency on the new aws-sdk-resourcegroupstaggingapi gem.

• Feature - Added a dependency on the new aws-sdk-lexmodelbuildingservice gem.

• Feature - Added a dependency on the new aws-sdk-codestar gem.

3.0.0.rc5 (2017-03-09)

• Feature - Added a dependency on the new aws-sdk-workdocs gem.

3.0.0.rc4 (2017-03-07)

• Feature - Added a dependency on the new aws-sdk-organizations gem.

• Feature - Added a dependency on the new aws-sdk-mturk gem.

• Feature - Added a dependency on the new aws-sdk-lexruntimeservice gem.

... (truncated)

Commits

• See full diff in compare view

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[jspaleta]

So not sure what is going on here. Kitch tests are timing out on this branch, it's not clear why.

[dependabot-preview[bot]]

A newer version of aws-sdk exists, but since this PR has been edited by someone other than Dependabot I haven't updated it. You'll get a PR for the updated version as normal once this PR is merged.