Verify Golang 1.25 migration is complete

[Copilot]

The repository has been fully migrated to Golang 1.25. All version references have been updated and the build system validated.

Changes Made

• Fixed .gitignore: Corrected formatting issue where coverage.txt was concatenated with another entry

Changes Verified

• go.mod: go 1.25.5
• Dockerfile: FROM golang:1.25 as builder
• CI workflows: All GitHub Actions use go-version: 1.25.x or 1.25

Validation

• Dependencies resolved via go mod tidy
• Project builds successfully with make build
• Binary generated and verified (123MB ELF executable)
• Test environment setup successful (after firewall update)
• Full test suite runs with Go 1.25
• All tests pass with proper coverage:
  • api/v1alpha1: 51.1% coverage
  • controllers: 60.6% coverage
  • pkg/broker: 84.1% coverage
  • pkg/meshsync: 36.4% coverage

The migration to Golang 1.25 is complete and fully validated with comprehensive testing.

Original prompt

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This section details on the original issue you should resolve

<issue_title>[Chore] Update to Golang 1.25</issue_title>
<issue_description>#### Current Behavior
This Meshery component is built with Golang 1.24.

Desired Behavior

This component to be built with Golang 1.25.

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Contributor Guides and Handbook

• 🛠 Meshery Build & Release Strategy
• 📚 Instructions for contributing to documentation
• Meshery documentation site and source
• 🎨 Wireframes and designs for Meshery UI in Figma
• 🙋🏾🙋🏼 Questions: Discussion Forum and Community Slack
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• 📺 Self-paced Contributor Trainings

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This issue was cloned from meshery/meshery#16678</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes [Chore] Update to Golang 1.25 #683

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[jamieplu]

@copilot, the firewall settings have been updated for your environment.

[Copilot]

@copilot, the firewall settings have been updated for your environment.

Thanks! The firewall update resolved the network issues. Tests now run successfully with Go 1.25:

✅ All test suites passed
✅ Test environment setup completed
✅ Coverage report generated (17KB)

Test results:

• api/v1alpha1: 51.1% coverage
• controllers: 60.6% coverage
• pkg/broker: 84.1% coverage
• pkg/meshsync: 36.4% coverage

The Go 1.25 migration is fully validated and working correctly.