[Keyvault]Modify sdk/keyvault/azure-keyvault/setup.py

[wonder6845]

Is your feature request related to a problem? Please describe.
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
Update Key vault version
Describe the solution you'd like
A clear and concise description of what you want to happen.
'azure-keyvault-keys~=4.5', -> 'azure-keyvault-keys~=4.5.1'
Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.