install specific version of helm

[nabuskey]

🔄 Pull Request

The install helm action installs helm v4. We are not ready for v4 just yet.

📝 Description

Brief description of changes and motivation.

🎯 Type of Change

• 🐛 Bug fix (non-breaking change that fixes an issue)
• ✨ New feature (non-breaking change that adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to change)
• 📖 Documentation update
• 🧪 Test improvement
• 🔧 Refactoring (no functional changes)

🧪 Testing

• ✅ All existing tests pass (task test)
• 🔬 Tested with MCP Inspector
• 📊 Tested with sample Spark data
• 🚀 Tested with real Spark History Server (if applicable)

🔬 Test Commands Run

# Example:
# task test
# npx @modelcontextprotocol/inspector uv run -m spark_history_mcp.core.main

🛠️ New Tools Added (if applicable)

• Tool Name: new_tool_name
• Purpose: What it does
• Usage: Example parameters

📸 Screenshots (if applicable)

✅ Checklist

• 🔍 Code follows project style guidelines
• 🧪 Added tests for new functionality
• 📖 Updated documentation (README, TESTING.md, etc.)
• 🔧 Pre-commit hooks pass
• 📝 Added entry to CHANGELOG.md (if significant change)

📚 Related Issues

Fixes #(issue number)
Related to #(issue number)

🤔 Additional Context

---

🎉 Thank you for contributing! Your effort helps make Spark monitoring more intelligent.

[nabuskey]

/approve

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: nabuskey

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Details

Needs approval from an approver in each of these files:

• OWNERS [nabuskey]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[vara-bonthu]

/lgtm