Fix interpolation search for extreme manifests

[GregBrimble]

WC-3184.

There's a case that when comparing extreme manifests, (very high highs and very low lows), we'd encounter a divide by zero error. This fixes that issue by adding early checks before the calculation against what would otherwise be out-of-bounds search operations.

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• Tests
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• Wrangler E2E Tests CI Job required? (Use "e2e" label or ask maintainer to run separately)
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• Public documentation
  • TODO (before merge)
  • Cloudflare docs PR(s):
  • Documentation not necessary because: internal change

[changeset-bot]

🦋 Changeset detected

Latest commit: 0f8de02

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@cloudflare/workers-shared	Patch

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[github-actions]

A wrangler prerelease is available for testing. You can install this latest build in your project with:

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13277022220/npm-package-wrangler-8105

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cloudflare-workers-bindings-extension:

wget https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13277022220/npm-package-cloudflare-workers-bindings-extension-8105 -O ./cloudflare-workers-bindings-extension.0.0.0-vf429cba97.vsix && code --install-extension ./cloudflare-workers-bindings-extension.0.0.0-vf429cba97.vsix

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miniflare:

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---

[email protected] includes the following runtime dependencies:

Package	Constraint	Resolved
miniflare	workspace:*	3.20250204.0
workerd	1.20250204.0	1.20250204.0
workerd --version	1.20250204.0	2025-02-04

Please ensure constraints are pinned, and miniflare/workerd minor versions match.