docs(references): add copilot toolset to tools-reference.md#14

zircote with Copilot wants to merge 2 commits into

developzircote-plugins/github-agentic-workflows:developfrom

copilot/add-copilot-toolsetzircote-plugins/github-agentic-workflows:copilot/add-copilot-toolsetCopy head branch name to clipboard