CLDSRV-932: validate x-amz-content-sha256

[leif-scality]

Reject a SigV4 request if the sha256 of the body does not match the x-amz-content-sha256 header

[bert-e]

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[bert-e]

Incorrect fix version

The Fix Version/s in issue CLDSRV-932 contains:

• None

Considering where you are trying to merge, I ignored possible hotfix versions and I expected to find:

• 9.4.0

Please check the Fix Version/s of CLDSRV-932, or the target
branch of this pull request.

[claude]

Arsenal is pinned to a branch (improvement/ARSN-602-add-XAmzContentSHA256Mismatch-error), not a tag. Git-based deps must pin to a release tag before merging.

[codecov]

❌ 2 Tests Failed:

Tests completed	Failed	Passed	Skipped
9478	2	9476	0

View the full list of 2 ❄️ flaky test(s)

"after each" hook for "should fail if trying to overwrite a delete marker"::MPU with x-scal-s3-version-id header With default signature "after each" hook for "should fail if trying to overwrite a delete marker"

Flake rate in main: 100.00% (Passed 0 times, Failed 89 times)

Stack Traces | 0.014s run time

We encountered an internal error. Please try again.

"after each" hook for "should fail if trying to overwrite a delete marker"::MPU with x-scal-s3-version-id header With v4 signature "after each" hook for "should fail if trying to overwrite a delete marker"

Flake rate in main: 100.00% (Passed 0 times, Failed 82 times)

Stack Traces | 0.014s run time

We encountered an internal error. Please try again.

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