feat(eslint-config-angular): support `eqeqeq`

[splincode]

PR Checklist

Please check if your PR fulfills the following requirements:

• [x] The commit message follows Conventional Commits
• [ ] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• [ ] Bugfix
• [x] Feature
• [ ] Refactoring
• [ ] Code style update
• [ ] Build or CI related changes
• [ ] Documentation content changes

https://eslint.org/docs/rules/eqeqeq

[splincode]

@IKatsuba Hello, could you see this PR?) Are there any comments, what are the further ideas?