feat: remove CLIEngine as it is deprecated and removed from ESLint v8

[coderaiser]

Removed deprecated and removed from ESLint v8 CLIEngine (#3735)

[typescript-eslint]

Thanks for the PR, @coderaiser!

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The core maintainers work on this in their personal time, so please understand that it may not be possible for them to review your work immediately.

Thanks again!

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[codecov]

Codecov Report

Merging #3736 (4dbb6a3) into master (a602caa) will decrease coverage by 0.10%.
The diff coverage is n/a.

❗ Current head 4dbb6a3 differs from pull request most recent head ef2014b. Consider uploading reports for the commit ef2014b to get more accurate results

@@            Coverage Diff             @@
##           master    #3736      +/-   ##
==========================================
- Coverage   92.68%   92.57%   -0.11%     
==========================================
  Files         327      187     -140     
  Lines       11351     8477    -2874     
  Branches     3201     2607     -594     
==========================================
- Hits        10521     7848    -2673     
+ Misses        369      262     -107     
+ Partials      461      367      -94     

Flag	Coverage Δ
unittest	92.57% <ø> (-0.11%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
packages/experimental-utils/src/ts-eslint/index.ts	100.00% <ø> (ø)
packages/scope-manager/src/lib/scripthost.ts
...es/scope-manager/src/scope/ConditionalTypeScope.ts
packages/scope-manager/src/lib/esnext.bigint.ts
...ages/scope-manager/src/referencer/ImportVisitor.ts
...ges/typescript-estree/src/create-program/shared.ts
packages/scope-manager/src/lib/es2015.core.ts
...e-manager/src/definition/TSEnumMemberDefinition.ts
packages/scope-manager/src/lib/base-config.ts
packages/scope-manager/src/scope/WithScope.ts
... and 130 more

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Nx Cloud Report

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	nx run-many --target=build --all --parallel
	nx run-many --target=build --all --parallel
	nx run-many --target=build --all --parallel
	nx run-many --target=build --all --parallel
	nx run-many --target=build --all --parallel
	nx run-many --target=build --all --parallel
	nx prebuild @typescript-eslint/types
	nx prebuild @typescript-eslint/types
	nx prebuild @typescript-eslint/types
	nx prebuild @typescript-eslint/types
	nx prebuild @typescript-eslint/types
	nx prebuild @typescript-eslint/types

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[bradzacher]

thanks so much for your work on this!
However we're going to go with #3737 instead as it includes backwards-compatible support.
Until we drop support for ESLint v7 we'll need to remain backwards compatible.