chore(deps): update dependency angular-eslint to v21

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
angular-eslint (source)	20.7.0 -> 21.0.1
angular-eslint (source)	^18.1.0 || ^19.0.0 || ^20.0.0 -> ^18.1.0 || ^19.0.0 || ^20.0.0 || ^21.0.0

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Release Notes

angular-eslint/angular-eslint (angular-eslint)

v21.0.1

Compare Source

This was a version bump only for angular-eslint to align it with other projects, there were no code changes.

v21.0.0

Compare Source

🚀 Features

• ⚠️ eslint-plugin: formally deprecate [no-conflicting-lifecycle] and remove from "all" config (5d845924)
• ⚠️ eslint-plugin-template: add prefer-control-flow to recommended config (77cd24d3)

⚠️ Breaking Changes

• ⚠️ eslint-plugin: formally deprecate [no-conflicting-lifecycle] and remove from "all" config (5d845924)
• ⚠️ eslint-plugin-template: add prefer-control-flow to recommended config (77cd24d3)

❤️ Thank You

• JamesHenry @​JamesHenry

20.7.0 (2025-11-22)

🩹 Fixes

• support eslint defineConfig types better (#​2793)

❤️ Thank You

• James Henry @​JamesHenry

20.6.0 (2025-11-09)

🩹 Fixes

• angular-eslint: support eslint defineConfig types in addition to typescript-eslint config (#​2760)

❤️ Thank You

• James Henry @​JamesHenry

20.5.2 (2025-11-08)

This was a version bump only for angular-eslint to align it with other projects, there were no code changes.

20.5.1 (2025-11-03)

This was a version bump only for angular-eslint to align it with other projects, there were no code changes.

20.5.0 (2025-10-27)

🚀 Features

• eslint-plugin: add rule prefer-host-metadata-property (#​2615)
• eslint-plugin-template: add prefer-built-in-pipes rule (#​2605)

❤️ Thank You

• Andreas Nicolaou @​andreasnicolaou
• jase @​jase88

20.4.0 (2025-10-12)

🚀 Features

• eslint-plugin-template: add rule prefer-at-else (#​2613)

❤️ Thank You

• Dave @​reduckted

20.3.0 (2025-09-14)

This was a version bump only for angular-eslint to align it with other projects, there were no code changes.

20.2.0 (2025-08-22)

🚀 Features

• eslint-plugin-template: add rule no-empty-control-flow (#​2592)

❤️ Thank You

• Dave @​reduckted

20.1.1 (2025-06-19)

This was a version bump only for angular-eslint to align it with other projects, there were no code changes.

20.1.0 (2025-06-16)

🚀 Features

• eslint-plugin: add rules to ban experimental and developer preview (#​2037)

❤️ Thank You

• Daniel Kimmich @​json-derulo

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Configuration

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