Fix/rename ghcopilot package

[tendau]

Description

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• The pull request does not introduce [breaking changes]
• CHANGELOG is updated for new features, bug fixes or other significant changes.
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Testing Guidelines

• Pull request includes test coverage for the included changes.

[Copilot]

Pull request overview

This PR renames the azure-ai-agentserver-githubcopilot distribution/package references to azure-ai-agentserver-ghcopilot across build configuration and docs, and updates the Copilot adapter to defer MCP toolbox connections until the first request.

Changes:

• Update pipeline artifact configuration and package metadata/docs to use the new distribution name azure-ai-agentserver-ghcopilot.
• Change GitHubCopilotAdapter to lazily connect MCP toolboxes on first request with an asyncio.Lock to avoid concurrent initialization.
• Update integration test agent docs/config to validate the new package name.

Reviewed changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
sdk/agentserver/ci.yml	Updates the artifact name/safeName to azure-ai-agentserver-ghcopilot.
sdk/agentserver/azure-ai-agentserver-githubcopilot/tests/integration/TESTING.md	Updates package-name references in integration test docs.
sdk/agentserver/azure-ai-agentserver-githubcopilot/tests/integration/test_agent/skills/hello/SKILL.md	Updates the skill prompt to mention the renamed package.
sdk/agentserver/azure-ai-agentserver-githubcopilot/tests/integration/test_agent/requirements.txt	Updates test agent requirements to the renamed distribution.
sdk/agentserver/azure-ai-agentserver-githubcopilot/tests/integration/test_agent/main.py	Updates the test agent docstring to the renamed distribution.
sdk/agentserver/azure-ai-agentserver-githubcopilot/tests/integration/test_agent/AGENTS.md	Updates persona instructions to mention the renamed package.
sdk/agentserver/azure-ai-agentserver-githubcopilot/samples/README.md	Updates sample docs header to the renamed distribution.
sdk/agentserver/azure-ai-agentserver-githubcopilot/README.md	Updates install instructions to the renamed distribution.
sdk/agentserver/azure-ai-agentserver-githubcopilot/pyproject.toml	Renames the distribution in project metadata to azure-ai-agentserver-ghcopilot.
sdk/agentserver/azure-ai-agentserver-githubcopilot/INSTRUCTIONS.md	Updates getting started instructions to the renamed distribution name.
sdk/agentserver/azure-ai-agentserver-githubcopilot/CHANGELOG.md	Changes the top entry header from “(Unreleased)” to a fixed date.
sdk/agentserver/azure-ai-agentserver-githubcopilot/azure/ai/agentserver/githubcopilot/_copilot_adapter.py	Defers toolbox MCP connections from initialize() to first request with concurrency guarding.