[luojiyin1987]

Summary

• Set the package version to 2.5.1.
• Add the 2.5.1 changelog entry.
• Cover the glob security update, thread option fix, and configuration docs.

Version

This patch release fixes file path handling after -t.
It also updates glob and its minimatch dependency.
The package now declares Node.js 20 as its minimum version.
The existing production dependencies already require Node.js 20.

Checks

• npm run prepublishOnly on Node 22 passed.
• The suite passed 271 tests across 28 suites.
• npm audit --omit=dev --audit-level=moderate found zero vulnerabilities.
• npm pack --dry-run --json reported @lint-md/cli@2.5.1, 53 files, and 29,836 bytes.
• npm view @lint-md/cli version reported 2.5.0 before this PR.

Publication

The tag v2.5.1 will trigger the GitHub Release workflow after merge.
That workflow does not publish to npm.
The local npm whoami check returned HTTP 401.
Publish from an npm authenticated environment after the release checks pass.

No logs or user data are included.