Update Docker image reference for arm-migration agent

[pareenaverma]

Pull Request Checklist

• [ x] I have read and followed the CONTRIBUTING.md guidelines.
• My contribution adds a new instruction, prompt, or chat mode file in the correct directory.
• The file follows the required naming convention.
• The content is clearly structured and follows the example format.
• [x ] I have tested my instructions, prompt, or chat mode with GitHub Copilot.
• I have run npm start and verified that README.md is up to date.

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Description

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Type of Contribution

• New instruction file.
• New prompt file.
• New chat mode file.
• New collection file.
• Update to existing instruction, prompt, chat mode, or collection.
• Other (please specify):

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Additional Notes

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By submitting this pull request, I confirm that my contribution abides by the Code of Conduct and will be licensed under the MIT License.

[Copilot]

Pull request overview

This PR updates the Docker image reference for the ARM migration agent from armswdev/arm-mcp:latest to armlimited/arm-mcp:latest. This appears to be a namespace correction for the official ARM Limited Docker image repository.

[aaronpowell]

Can you run the update script so the README's are updated with the links to install the MCP server are using the correct docker image.

[pareenaverma]

@aaronpowell Ran the update script and README's changed added to the PR