Merge #10831

10831: Reduce types output r=RobbieMcKinstry a=RobbieMcKinstry

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# Description

This is a draft PR for #8613.

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Fixes #8613 

## Checklist

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- [x] I have added tests that prove my fix is effective or that my feature works
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User-facing changes require a CHANGELOG entry.
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- [x] I have run `make changelog` and committed the `changelog/pending/<file>` documenting my change
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- [ ] Yes, there are changes in this PR that warrants bumping the Pulumi Service API version
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Co-authored-by: Robbie McKinstry <robbie@pulumi.com>
Co-authored-by: Robbie McKinstry <thesnowmancometh@gmail.com>

changelog/pending/20221006--sdkgen-nodejs--split-type-definitions-for-nodejs.yaml

@@ -0,0 +1,4 @@
+changes:
+- type: feat
+  scope: sdkgen/nodejs
+  description: Splits input and output definitions into multiple files.