Performed full review of 49a85f9...7347f8a

Analysis

1. Credential Handling Change: v6 stores Git credentials in $RUNNER_TEMP instead of git config, but since all workflows perform read-only operations post-checkout with no explicit credential configurations, this change poses no risk.

2. Runner Version Requirement: v6 requires Actions Runner v2.329.0+ for Docker container actions, but this project exclusively uses GitHub-hosted ubuntu-latest runners (which meet this requirement) and doesn't use the container: syntax for running jobs.

3. Simple Checkout Usage: All 8 instances across 4 workflow files use default checkout parameters without advanced features (no custom fetch-depth, submodules, LFS, or token configurations), minimizing upgrade risk.

4. No Git Write Operations: None of the workflows perform git operations (push, commit, submodule updates) that would be affected by the credential storage location change.

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