[wrangler] fix: don't require auth for wrangler r2 object --local operations

[mrbbot]

What this PR solves / how to test:

Previously, Wrangler would ask you to login when reading or writing from local R2 buckets. This change ensures no login prompt is displayed, as authentication isn't required for these operations. To test this, run wrangler logout, then wrangler r2 object put TEST_BUCKET/a.txt --file <local_file> --local and observe the object is written without a login prompt.

This PR also fixes an issue with mockApiToken() and mockAccountId() where they weren't correctly unsetting API tokens in afterEach() hooks. This was causing some tail tests to erroneously pass.

Author has addressed the following:

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• Changeset (Changeset guidelines)
  • Included
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  • Issue(s)/PR(s):
  • Not necessary because: fixing a bug in user expectations

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[changeset-bot]

🦋 Changeset detected

Latest commit: 078d8a9

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.devprod.cloudflare.dev/workers-sdk/runs/7451209285/npm-package-wrangler-4722

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npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/prs/7451209285/npm-package-wrangler-4722

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npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/7451209285/npm-package-wrangler-4722 dev path/to/script.js

Additional artifacts:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/7451209285/npm-package-miniflare-4722

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/7451209285/npm-package-cloudflare-pages-shared-4722

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

---

wrangler@3.22.3 includes the following runtime dependencies:

Package	Constraint	Resolved
miniflare	workspace:*	3.20231218.1
workerd	1.20231218.0	1.20231218.0
workerd --version	1.20231218.0	2023-12-18

|

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

[codecov]

Codecov Report

Attention: 4 lines in your changes are missing coverage. Please review.

Comparison is base (df71f26) 75.60% compared to head (078d8a9) 75.66%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4722      +/-   ##
==========================================
+ Coverage   75.60%   75.66%   +0.05%     
==========================================
  Files         243      243              
  Lines       13096    13103       +7     
  Branches     3376     3380       +4     
==========================================
+ Hits         9901     9914      +13     
+ Misses       3195     3189       -6     

Files	Coverage Δ
packages/wrangler/src/r2/index.ts	74.86% <100.00%> (ø)
.../wrangler/src/__tests__/helpers/mock-account-id.ts	87.09% <63.63%> (-12.91%)	⬇️

... and 7 files with indirect coverage changes