[BUG]: Fix CopyFilesV2 task failure with 'fs.rmSync is not a function' on older agents

[Copilot]

This PR fixes an issue where the CopyFilesV2 task fails on older agent versions with the error:

Error: Failed rmRF: fs.rmSync is not a function

Root cause

The task is failing because:

1. CopyFilesV2 depends on azure-pipelines-task-lib v5.2.0
2. This version uses fs.rmSync() which was added in Node.js v14.14.0
3. Older agents (like 2.202.1) don't have Node 14+ execution handlers
4. The task's minimumAgentVersion was set to 2.182.1, which is too low

Changes made

• Updated the minimumAgentVersion from 2.182.1 to 2.206.1 (first agent version with Node16 support)
• Removed Node10 execution handler since it can't support the required Node.js v14+ features
• Incremented the patch version from 2.256.0 to 2.256.1

These changes ensure the task only runs on agents that have the required Node.js version to support the dependencies. The actual functionality of the task remains unchanged.

Fixes #21027.

Warning

Firewall rules blocked me from connecting to one or more addresses

I tried to connect to the following addresses, but was blocked by firewall rules:

• pkgs.dev.azure.com
  • Triggering command: npm view [email protected] engines (dns block)
  • Triggering command: npm install (dns block)
  • Triggering command: npm install @octokit/rest (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to my firewall allow list

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