[Snyk] Security upgrade transformers from 3.1.0 to 4.23.0

[psfoley]

This PR was automatically created by Snyk using the credentials of a real user.

Snyk has created this PR to fix one or more vulnerable packages in the `pip` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • openfl-workspace/fe_torch_adversarial_cifar/requirements.txt

⚠️ Warning

tensorflow-probability 0.11.0 requires dm-tree, which is not installed.
fastestimator 1.1.1 requires albumentations, which is not installed.
fastestimator 1.1.1 requires opencv-python, which is not installed.
fastestimator 1.1.1 requires wget, which is not installed.
fastestimator 1.1.1 requires natsort, which is not installed.
fastestimator 1.1.1 requires transformers, which is not installed.
fastestimator 1.1.1 requires pytorch-model-summary, which is not installed.
fastestimator 1.1.1 requires pycocotools-fix, which is not installed.
fastestimator 1.1.1 has requirement scipy==1.4.1, but you have scipy 1.2.3.

Vulnerabilities that will be fixed

By pinning:

Severity	Priority Score (*)	Issue	Upgrade	Breaking Change	Exploit Maturity
	556/1000 Why? Recently disclosed, Has a fix available, CVSS 5.4	Open Redirect SNYK-PYTHON-TRANSFORMERS-3092483	transformers: 3.1.0 -> 4.23.0	No	No Known Exploit

(*) Note that the real score may have changed since the PR was raised.

Some vulnerabilities couldn't be fully fixed and so Snyk will still find them when the project is tested again. This may be because the vulnerability existed within more than one direct dependency, but not all of the affected dependencies could be upgraded.

Check the changes in this PR to ensure they won't cause issues with your project.

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[psfoley]

@itrushkin could you confirm that upgrading the transformers version does not break this example?

[itrushkin]

Caught version conflict while trying to run fe_torch_adversarial_cifar:

ERROR: Cannot install -r /path/to/requirements.txt (line 3) and transformers>=4.23.0 because these package versions have conflicting dependencies.

The conflict is caused by:
    The user requested transformers>=4.23.0
    fastestimator 1.1.1 depends on transformers==3.1.0

[MasterSkepticista]

We do not have this tutorial in openfl-workspace, closing this PR.