Hackathon related `google-adk` issues and pull requests

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This project was created to help build a deliverable for the Agent Development Kit Hackathon with Google Cloud. Part of the hackathon rules state that there are "bonus points" for issues and pull requests which are shared with the open source google-adk repositories. This issue captures the related issues and pull requests we've worked on.

Pull requests:

• docs: fix tool name in "agent team" tutorial google/adk-docs#385
• feat(utils): visualize agent workflows in Mermaid google/adk-python#1441
• ci(format): update isort, pyink for use within uv google/adk-python#1477
• ci(tests): leverage uv run for environment mgmt google/adk-python#1546
• ci(tests): leverage official uv action for install google/adk-python#1547
• ci(actions): enable automatic dependabot updates google/adk-python#1549

Issues:

• Importing AgentEvaluator results in excluded dependency error google/adk-docs#476
• Add function to enable streamlined human user prompt input and agentic response stream google/adk-python#1284
• Add mermaid diagram export capabilities for agent workflow understandability google/adk-python#1309
• Enable development workflows and tooling to leverage virtual environments through uv run google/adk-python#1438
• Support FunctionTool default arguments google/adk-docs#481
• Improve default argument tool use warning message google/adk-python#1482
• Leverage official uv GitHub Action for CI google/adk-python#1545
• Use Dependabot to keep GitHub Actions versions up to date google/adk-python#1548

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Adding: google/adk-python#1438

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Adding: google/adk-python#1441

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Adding: google/adk-python#1477

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Adding: google/adk-docs#481

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Adding: google/adk-python#1482

[d33bs]

Adding: google/adk-python#1545

[d33bs]

Adding: google/adk-python#1546

[d33bs]

Adding: google/adk-python#1547

[d33bs]

Adding: google/adk-python#1548

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Adding: google/adk-python#1549