CC-7056: Add credentials subcommand to containers registries

[martinezjandrew]

Fixes #CC-7056.

Add containers registries credentials command, from cloudchamber registries credentials, for generating temporary push/pull credentials. Only works with the Cloudflare managed registry (registry.cloudflare.com).

• Tests
  • Tests included/updated
  • Automated tests not possible - manual testing has been completed as follows:
  • Additional testing not necessary because:
• Public documentation
  • Cloudflare docs PR(s): CC-7056: add containers registries credentials command reference cloudflare-docs#28637
  • Documentation not necessary because:

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[changeset-bot]

🦋 Changeset detected

Latest commit: 5a350fa

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

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[claude]

Claude finished @martinezjandrew's task —— View job

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Changeset Review

Reviewing the changeset file...

Tasks:

• Read changeset guidelines
• Review the changeset file
• Validate against criteria
• Check attached image
• Provide feedback

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⚠️ Issues found

The changeset .changeset/tricky-frogs-fry.md has room for improvement:

Current changeset:

---
"wrangler": minor
---

Add containers registries credentials command for generating temporary push/pull credentials. Only works with the Cloudflare managed registry (registry.cloudflare.com).

Issue: The changeset description is minimal and lacks a usage example or additional context that would help users understand how to use this new command.

Recommendation: While the version type (minor) is correct for a new command, the description should ideally include:

• A brief example of how to use the new command
• More context about what the command does (e.g., what format the credentials are in, how long they last, etc.)

Suggested improvement:

---
"wrangler": minor
---

Add `wrangler containers registries credentials` command for generating temporary push/pull credentials

You can now generate temporary credentials for pushing and pulling container images to the Cloudflare managed registry:

```bash
wrangler containers registries credentials

This command only works with the Cloudflare managed registry (registry.cloudflare.com).

Note: This is a suggestion for improvement. The current changeset meets the minimum requirements, but following the guidelines in `.changeset/README.md`, feature changesets benefit from usage examples.

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**Bonus Cuteness Report:**

This is Featherbee. He's magnificently fluffy with antennae that look like they're ready to receive satellite signals. Absolutely glowing with golden fuzziness and has no concept of how extra those feathers are. 14/10 would admire from a respectful distance.

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[devin-ai-integration]

✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no potential bugs to report.

View in Devin Review to see 3 additional findings.

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commit: 5a350fa