Cap numpy version to less than 2.0.0

[joeloskarsson]

Describe your changes

Nerual-lam is at the moment not completely compatible with the new release of numpy 2. This PR changes the numpy version in requirements.txt to < 2.0.0.

Issue Link

#67

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• 🐛 Bug fix (non-breaking change that fixes an issue)
• ✨ New feature (non-breaking change that adds functionality)
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• 📖 Documentation (Addition or improvements to documentation)

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[sadamov]

Thanks! Personally I ran into "Alias np.float_ has been removed. Use np.float64 instead." But there might be more issues we can fix down the road. https://numpy.org/devdocs/release/2.0.0-notes.html