Update staging.yml

[Divine4212]

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Description

change from ssh key to password. ​

Related Issue (Link to Github issue)

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Motivation and Context

this is to enable an ssh connecion btw the github actions workflow and server.

How Has This Been Tested?

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Screenshots (if appropriate - Postman, etc):

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Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change) ​

  Checklist:

• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.