feat: populate generator field if function is in the internal folder

[khendrikse]

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Summary

I wanted to use our previous logic to populate our generator field if a function is in an internal folder. This way, we don't have to wait for integrations/plugins to populate the generator fields themselves.

Related to: https://github.com/netlify/pod-compute/issues/423

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[github-actions]

⏱ Benchmark results

Comparing with fe2c4a2

largeDepsEsbuild: 2s

⬇️ 37.47% decrease vs. fe2c4a2

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└───┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴──>
    T-6     T-5     T-4     T-3     T-2     T-1      T    

Legend

• T-6 (34b5441): 2.1s
• T-5 (20e3a36): 2s
• T-4 (d0fae8b): 2s
• T-3 (09b01b4): 2s
• T-2 (13735a9): 2s
• T-1 (fe2c4a2): 2.8s
• T (current commit): 2s

largeDepsNft: 7.7s

⬇️ 39.47% decrease vs. fe2c4a2

^                                          10.8s          
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│                           7.8s            |  |          
│ ──7.7s────7.4s────7.4s────┌──┐────7.6s────┼──┼────7.7s──
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└───┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴──>
    T-6     T-5     T-4     T-3     T-2     T-1      T    

Legend

• T-6 (34b5441): 7.7s
• T-5 (20e3a36): 7.4s
• T-4 (d0fae8b): 7.4s
• T-3 (09b01b4): 7.8s
• T-2 (13735a9): 7.6s
• T-1 (fe2c4a2): 10.8s
• T (current commit): 7.7s

largeDepsZisi: 14.4s

⬇️ 39.20% decrease vs. fe2c4a2

^                                           20s           
│                                           ┌──┐          
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│ ──15s─────15s─────15s────14.8s────15s─────┼──┼──────────
│   ┌──┐    ┌──┐    ┌──┐    ┌──┐    ┌──┐    |  |   14.4s  
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└───┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴──>
    T-6     T-5     T-4     T-3     T-2     T-1      T    

Legend

• T-6 (34b5441): 15s
• T-5 (20e3a36): 15s
• T-4 (d0fae8b): 15s
• T-3 (09b01b4): 14.8s
• T-2 (13735a9): 15s
• T-1 (fe2c4a2): 20s
• T (current commit): 14.4s

[danez]

Just one tiny nit