chore(deps): update angular-eslint monorepo to v12 (major)

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@angular-eslint/builder	4.3.0 -> 12.0.0
@angular-eslint/eslint-plugin	4.3.0 -> 12.0.0
@angular-eslint/eslint-plugin-template	4.3.0 -> 12.0.0
@angular-eslint/schematics	4.3.0 -> 12.0.0
@angular-eslint/template-parser	4.3.0 -> 12.0.0

---

Release Notes

angular-eslint/angular-eslint

### [`v12.0.0`](https://togithub.com/angular-eslint/angular-eslint/blob/master/CHANGELOG.md#​1200-httpsgithubcomangular-eslintangular-eslintcomparev430v1200-2021-05-13) [Compare Source](https://togithub.com/angular-eslint/angular-eslint/compare/v4.3.0...v12.0.0) ##### Bug Fixes - **template-parser:** add missing `Conditional` and its keys to `VisitorKeys` ([#​445](https://togithub.com/angular-eslint/angular-eslint/issues/445)) ([5ad0f1a](https://togithub.com/angular-eslint/angular-eslint/commit/5ad0f1aeca244dbd27496e5a2d8c569994a24dcf)) - **eslint-plugin-template:** no-negated-async no longer performs equality checks ([#​399](https://togithub.com/angular-eslint/angular-eslint/issues/399)) ##### Features - update tslint-to-eslint-config to 2.4.0 ([7352ad2](https://togithub.com/angular-eslint/angular-eslint/commit/7352ad260644952abebf06773703f7b550d870fb)) - **eslint-plugin-template:** add rule eqeqeq ([#​444](https://togithub.com/angular-eslint/angular-eslint/issues/444)) ([e15148c](https://togithub.com/angular-eslint/angular-eslint/commit/e15148cc31d54641815d08f97f14b3388d8dcde2)) - update eslint to ^7.26.0, [@​typescript-eslint](https://togithub.com/typescript-eslint) to 4.23.0 ([9e31c38](https://togithub.com/angular-eslint/angular-eslint/commit/9e31c3881a13d6ce3b642b9c23c67e2e0f2d1aa1)) ##### BREAKING CHANGES - update to angular v12 ([c80008d](https://togithub.com/angular-eslint/angular-eslint/commit/c80008df8f6b9d08daf3043dffc1be45f8cfbe81)) - All packages now require the use of Angular CLI >= 12.0.0 < 13 - **eslint-plugin-template:** no-negated-async no longer performs equality checks ([#​399](https://togithub.com/angular-eslint/angular-eslint/issues/399)) - You should add the new `@angular-eslint/template/eqeqeq` rule to your config if you want to continue with the same functionality around equality checks. This will be applied for you by `ng update` automatically.

---

Configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Enabled.

♻️ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• [ ] If you want to rebase/retry this PR, check this box.

---

This PR has been generated by WhiteSource Renovate. View repository job log here.