Add Federated Credentials to GitHub (updated execute_shell_code action to use federated login)

[anastasiyagromova]

• generated Federated Credentials and App Registration
• Updated GitHub Secrets
• Updated github action execute_shell_code to use azure/login@v1 with Federated Credentials
• Updated PR pipelines to use federated credentials
• Updated CI pipeline to use federated credentials
• Documentation how to enable federated credentials for GitHub, AKS, Fats API in basic_flow_ci
• Close Issue #116
• Close issue #117 added IMAGE_TAG parameter in deployment.yaml