[improvement][tired-storage] fix typo in JCloudBlobStoreProvider

[yapxue]

Motivation

There is a typo in JCloudBlobStoreProvider. It can cause 403 when use S3 as long term storage

Modifications

fix typo from ACCESS_KEY_ID to ACCESS_KEY_SECRET

Verifying this change

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This change is a trivial rework / code cleanup without any test coverage.

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• Dependencies (does it add or upgrade a dependency): (no)
• The public API: (no)
• The schema: (no)
• The default values of configurations: (no)
• The wire protocol: (no)
• The rest endpoints: (no)
• The admin cli options: (no)
• Anything that affects deployment: (no )

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[dave2wave]

Without this change do you get an error like:

 Caused by: org.jclouds.aws.AWSResponseException: request POST https://s3.us-west-2.amazonaws.com/lunastreaming-omb-testing-1?delete HTTP/1.1 failed with code 403, error: AWSError{requestId='**********************', requestToken='****************************************=', code='SignatureDoesNotMatch'

[michaeljmarshall]

Thank you for your contribution @yapxue! It looks like this was already fixed in #15814. Our project targets fixes to master and then cherry-picks them to affected release branches. I just cherry picked this fix to branch-2.10. I am going to close this PR since the change is already present. Please let me know if you have any questions.