Prevent pysnmp from being installed as it does not work with newer python

[bdraco]

blocked by #92293

Proposed change

pysnmplib and pysnmp use the same namespace, but we need pysnmplib since it works with newer python

fixes #92281

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New integration (thank you!)
• New feature (which adds functionality to an existing integration)
• Deprecation (breaking change to happen in the future)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes #
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[bdraco]

I can't fully test a wheel run because of #92293