[wrangler] Fix lint issues

[jculvey]

What this PR solves / how to test:

Fixes a number of lint issues that are popping up with annotations on every PR to workers-sdk.

• Tests
• Changeset (Changeset guidelines)

Reviewer is to perform the following, as applicable:

• Checked for inclusion of relevant tests
• Checked for inclusion of a relevant changeset
• Checked for creation of associated docs updates
• Manually pulled down the changes and spot-tested

Note for PR author:

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[changeset-bot]

⚠️ No Changeset found

Latest commit: c77a2ab

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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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/5956450275/npm-package-wrangler-3821

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

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/prs/5956450275/npm-package-wrangler-3821

Or you can use npx with this latest build directly:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/5956450275/npm-package-wrangler-3821 dev path/to/script.js

Additional artifacts:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/5956450275/npm-package-cloudflare-pages-shared-3821

Note that these links will no longer work once the GitHub Actions artifact expires.

---

wrangler@3.5.1 includes the following runtime dependencies:

Package	Constraint	Resolved
miniflare	3.20230814.1	3.20230814.1
workerd	1.20230814.1	1.20230814.1

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

[codecov]

Codecov Report

Merging #3821 (c77a2ab) into main (a8d8d9a) will increase coverage by 0.04%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #3821      +/-   ##
==========================================
+ Coverage   75.25%   75.29%   +0.04%     
==========================================
  Files         195      195              
  Lines       11459    11450       -9     
  Branches     3025     3020       -5     
==========================================
- Hits         8623     8621       -2     
+ Misses       2836     2829       -7     

Files Changed	Coverage Δ
packages/wrangler/src/pages/build.ts	69.04% <ø> (+2.38%)	⬆️
packages/wrangler/src/pages/buildFunctions.ts	90.24% <ø> (ø)
...ckages/wrangler/src/pages/functions/buildWorker.ts	70.65% <ø> (ø)
packages/wrangler/src/api/pages/deploy.tsx	86.15% <100.00%> (-0.32%)	⬇️
packages/wrangler/src/pages/upload.tsx	78.94% <100.00%> (ø)

... and 2 files with indirect coverage changes

[1000hz]

Thanks for fixing these! @IgorMinar and I were just talking about this, and given we feel this stuff is important enough to warn about, it's important enough to block on and force developers to address the issue. We ought to change our eslint config from raising warnings to raising errors.

[IgorMinar]

thanks @jculvey