ci: upgrade workflow version

[pan93412]

Summary by CodeRabbit

• Chores
  • Updated build and test infrastructure with newer versions of CI/CD actions to maintain compatibility and access latest improvements.

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📥 Commits

Reviewing files that changed from the base of the PR and between 9c14301 and ff39224.

📒 Files selected for processing (2)

• .github/workflows/lint.yml (1 hunks)
• .github/workflows/test.yaml (1 hunks)

Walkthrough

The PR updates GitHub Actions workflow configuration files to use newer versions of commonly-used actions across three CI/CD workflows: checkout (v4/v5 to v6), setup-go (v5 to v6), and golangci-lint-action (v8 to v9). The test workflow also removes the caching option from setup-go.

Changes

Cohort / File(s)	Summary
GitHub Actions Version Upgrades .github/workflows/docker.yaml	Updated actions/checkout from v4 to v6
GitHub Actions Version Upgrades .github/workflows/lint.yml	Updated actions/checkout from v5 to v6, actions/setup-go from v5 to v6, and golangci/golangci-lint-action from v8 to v9
GitHub Actions Version Upgrades .github/workflows/test.yaml	Updated actions/checkout from v5 to v6, actions/setup-go from v5 to v6; removed cache: true option from setup-go step

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

• Verify that action version upgrades are compatible with existing workflow steps and don't introduce breaking changes
• Confirm that removal of the caching option in test.yaml is intentional and doesn't impact build performance expectations

Poem

🐰 Ears twitching with glee
Actions hop to v6, so spry and divine,
golangci leaps to v9 in line,
Cache removed for a lighter test dash,
Workflows now sparkle—no more cache clash! ✨

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'ci: upgrade workflow version' is directly related to the main changes in the PR, which upgrade GitHub Actions versions across three CI workflow files.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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