* ci: Enable CI for `v8.x` branch

* upgrade eslint-plugin-n, fix lint problem

* docs: show NEXT in version selectors

(cherry picked from commit 497ae91)

* skip `docs/next` when validating links

(cherry picked from commit b577e8a)

Co-authored-by: Francesco Trotta <github@fasttime.org>

* feat: Enable eslint.config.mjs and eslint.config.cjs

* Update CLI description

(cherry picked from commit 8792464)

* docs: update documentation for eslint.config.mjs & eslint.config.cjs support

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Co-authored-by: Nicholas C. Zakas <nicholas@humanwhocodes.com>

* fix: replicate eslintrc merge behavior in flat config

* do not merge arrays

* Remove unused code

* test for undefined properties

* fix an edge case with non-enumerable properties

(cherry picked from commit f182114)

Co-authored-by: Francesco Trotta <github@fasttime.org>

* fix: Ensure config keys are printed for config errors

* Remove unnecessary test

Co-authored-by: Nicholas C. Zakas <nicholas@humanwhocodes.com>

* test: add more tests for ignoring files and directories

* add one more test

(cherry picked from commit 8c1b8dd)

Co-authored-by: Milos Djermanovic <milos.djermanovic@gmail.com>

(cherry picked from commit f1c7e6f)

Co-authored-by: Strek <ssharishkumar@gmail.com>

* feat: Add loadESLint() API method for v8

refs #18075

* Update docs

* Add tests for loadESLint() to return ESLint

* Move static property out of constructor for older Node.js versions

* Add more tests

* Update tests/lib/api.js

Co-authored-by: Milos Djermanovic <milos.djermanovic@gmail.com>

* Update tests/lib/api.js

Co-authored-by: Milos Djermanovic <milos.djermanovic@gmail.com>

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Co-authored-by: Milos Djermanovic <milos.djermanovic@gmail.com>

docs: Show prerelease version in dropdown

* docs: Show prerelease version in dropdown


* Update docs/src/_data/eslintNextVersion.js



* Update docs/src/_includes/components/nav-version-switcher.html



* Update versions-list.html

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Co-authored-by: Milos Djermanovic <milos.djermanovic@gmail.com>