Updated S3 Credentials management

[jcsekar]

Description

Updated S3 Credentials management as it has been updated as given in https://github.com/quantumblacklabs/kedro/issues/539

Checklist

• [ ] Opened this PR as a 'Draft Pull Request' if it is work-in-progress
• [ ] Assigned myself to the PR
• [ ] Added tests to cover my changes

Notice

• [x] I acknowledge and agree that, by checking this box and clicking “Submit Pull Request”:

• I submit this contribution under the Apache 2.0 license and represent that I am entitled to do so on behalf of myself, my employer, or relevant third parties, as applicable.

• I certify that (a) this contribution is my original creation and / or (b) to the extent it is not my original creation, I am authorised to submit this contribution on behalf of the original creator(s) or their licensees.

• I certify that the use of this contribution as authorised by the Apache 2.0 license does not violate the intellectual property rights of anyone else.

[jcsekar]

@laisbsc, Could you please add Hacktoberfest label to this PR if you wish to?

[yetudada]

@laisbsc, Could you please add Hacktoberfest label to this PR if you wish to?

@jcsekar It will be counted because the repo is tagged with hacktoberfest and this PR was approved and merged 😄