updated requirements file and readme of Privacy Meter workflow #106

Job	Run time
Check code format / build	20s
Bandit Code Scan / Bandit Scan	37s
Docker Bench for Security / build	39s
Double workspace export / build	3m 22s
Federated Runtime 301 MNIST Watermarking / test_federated_runtime_301_watermarking_notebook	8m 47s
GaNDLF TaskRunner / build	3m 44s
Hadolint Security Scan / build	34s
Private Key Infrastructure / test_insecure_client	58s
Pytest and code coverage / build	2m 6s
Straggler Handling Test / build (ubuntu-latest)	3m 26s
TaskRunner / build	3m 52s
Straggler Handling Test / build (windows-latest)	5m 26s
TaskRunner (Eden Compression) / build	0s
TaskRunner (docker/gramine-direct) / build	7m 32s
TaskRunner (docker/native) / build	5m 6s
Trivy Scan / Build	4m 13s
Workflow Functional E2E / wf_functional_local_runtime (3.10)	2m 26s
Workflow Interface 101 MNIST Notebook / wf_local_101_mnist	7m 15s
Workflow Interface Tests / build	0s
	1h 0m 23s

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