master, v8.5: update download URL from pingcap.org to pingcap.com

[Oreoxmt]

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• This PR is translated from: master, v8.5: update download URL from pingcap.org to pingcap.com docs-cn#21220
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[gemini-code-assist]

Summary of Changes

Hello @Oreoxmt, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on a critical maintenance task: updating all references to download URLs within the documentation. The change ensures that users are directed to the correct and current domain for downloading TiDB components, tools, and related packages, thereby preventing broken links and improving the user experience.

Highlights

• URL Migration: All download links within the documentation have been updated to use the download.pingcap.com domain instead of the deprecated download.pingcap.org.

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[gemini-code-assist]

Code Review

The pull request primarily updates download URLs across multiple documentation files, changing the domain from download.pingcap.org to download.pingcap.com. Additionally, a review comment points out an issue in dm/quick-start-create-task.md where a wget command downloads a version-specific file, but the subsequent tar command expects a different, generic filename, suggesting a fix to use wget -O to ensure the downloaded file is saved with the expected name for extraction.

[gemini-code-assist]

The wget command downloads a file with a version-specific name (tidb-community-server-v8.5.0-linux-amd64.tar.gz), but the subsequent tar command tries to extract a file named tidb-latest-linux-amd64.tar.gz. This will cause the script to fail. To fix this, you can use the -O flag with wget to save the downloaded file with the expected name.

Suggested change

	wget https://download.pingcap.com/tidb-community-server-v8.5.0-linux-amd64.tar.gz
	wget -O tidb-latest-linux-amd64.tar.gz https://download.pingcap.com/tidb-community-server-v8.5.0-linux-amd64.tar.gz