* Chore: migrate master to main

* fix: keep the branch name to master for website repo

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

* Fix: replace main branch in URL with HEAD

* Fix: add both master and main branch in Github workflow

Co-authored-by: Jordan Harband <ljharb@gmail.com>

* Fix: make the branch name to main for edit url

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

Exempt issues and PRs with the accepted label

Some rules have been added to the `recommended` config so we no longer have to manually enable them.

https://github.com/not-an-aardvark/eslint-plugin-eslint-plugin/releases/tag/v4.0.0

* Build: add node v17

* fix: npm install --force when node v17

* New: Report unused private class members (fixes #14859)

For any private class property or method, report those that are
unused. Since private class members can only be accessed in the
same class body, we can safely assume that all usages are processed
when we leave the ClassBody scope.

* Handle all edge cases per feedback

Also remove the rule from recommended for now, as that is a breaking
change.

* Remove duplication in assignment checking

* Optimize check for property deletion

This also removes the usage of optional chaining, which isn't
supported yet on Node environments that ESLint supports.

* Use more descriptive names

* Handle more edge cases

* Apply suggestions from code review

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

* Update lib/rules/no-unused-private-class-members.js

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

* Update no-unused-private-class-members.js

* Fix accessor handling

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

…) (#15187)

* Fix: allow `baseConfig` to extend preloaded plugin config (fixes #15079)

* Remove CLIEngine#addPlugin

…) (#15172)

* Add regression tests

* Add passing tests

* Add more passing tests

* Add failing tests

* Fix the issue