Reload server on config changes

[JacobMGEvans]

When making changes to the configuration file, the development server will restart. Currently bindings is passed into the server to be refreshed.

#439

[changeset-bot]

🦋 Changeset detected

Latest commit: aaa4c9d

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

This PR includes changesets to release 1 package

Name	Type
wrangler	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.developers.workers.dev/runs/2491585053/npm-package-wrangler-1216

You can reference the automatically updated head of this PR with:

npm install --save-dev https://prerelease-registry.developers.workers.dev/prs/1216/npm-package-wrangler-1216

Or you can use npx with this latest build directly:

npx https://prerelease-registry.developers.workers.dev/runs/2491585053/npm-package-wrangler-1216 dev path/to/script.js

[threepointone]

The checks were running for close to 3 hours so I cancelled them

[JacobMGEvans]

The checks were running for close to 3 hours so I cancelled them

Yeah I tried restarting them a few times throughout the day... I don't know what is going on. They are running locally fine.

Edit: Guess that is why the only test finishing is the MacOS one lol

[threepointone]

Keep an eye on it the next time you do a push and stop it if it's going on for too long, or else we'll run out the free minutes we're allocated.

[threepointone]

Looks good! dropped some nits, but approving anyway