build(dev-dependencies): update dependency ng-packagr to v21

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ng-packagr	^17.0.0 → ^21.0.0

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Release Notes

ng-packagr/ng-packagr (ng-packagr)

v21.2.0

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v21.1.0

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Features

• add importAttributesKey: 'with' to Rollup output options (ba4f690), closes #​3212

Bug Fixes

• correctly identify external modules (7c24c84)

21.0.1 (2025-12-15)

Bug Fixes

• correctly identify external modules (e0f7b22)

v21.0.1

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v21.0.0

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⚠ BREAKING CHANGES

• TypeScript versions older than 5.9 are no longer supported.
• The javascriptEnabled option for Less is no longer supported. Projects relying on inline JavaScript within Less files will need to refactor their stylesheets to remove this dependency.

Bug Fixes

• drop support for TypeScript 5.8 (7b48224)
• remove deprecated javascriptEnabled option for Less (d57278d)

Features

• write the types in types directory (7a5e8fb)
• add support for Angular version 21 (ed70e23)

v20.3.2

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Bug Fixes

• ensure deterministic ordering of 'exports' field (952ca64), closes #​3175

v20.3.1

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Performance

• reduce memory usage for multiple entry-points (non-watch) (e063368), closes #​3168

v20.3.0

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• No visible changes

v20.2.0

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Features

• Add support for TypeScript 5.9

v20.1.0

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Bug Fixes

• prevent 'Unexpected non-whitespace character' error (dfb51b2), closes #​3080

v20.0.1

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Bug Fixes

• prevent 'Unexpected non-whitespace character' error (d2701fa), closes #​3080

v20.0.0

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⚠ BREAKING CHANGES

• Node.js versions from 22.0 to 22.11 are no longer supported
• Node.js v18 is no longer supported
• TypeScript versions less than 5.8 are no longer supported.

Features

• expand browser support to widely available Baseline (94f7fbe)
• add DTS bundles for entry-points (ca9d568), closes #​139
• support Angular version 20 (cebe060)
• drop support for TypeScript older than 5.8 (a8255ce)
• support Sass package importers (f767d3c)

Bug Fixes

• correctly resolve SCSS resources from nested paths (f34a73d), closes #​3006
• correctly update reference to bin (e73db8e), closes #​3062
• update min Node.js support to 20.19, 22.12, and 24.0 (5a7eac4)
• ensure in package .browserslistrc is correctly resolved (14ed50d)
• prevent nested CSS in components (e2d9ef0)
• disable TypeScript composite option with Angular compiler (5dfbdba)
• disable emitting empty chunk warning (638c107)
• remove Node.js v18 support (69d9d9e)
• update minimum supported Node.js 22 version to 22.11.0 (a836a71)

Performance

• optimize node deletion using Set (a99785c)
• prevent redundant entry-point builds in watch mode (2f2668b), closes #​2936

v19.2.2

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Bug Fixes

• correctly handle undefined stylesheet processor (4598b67), closes #​3005

v19.2.1

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Bug Fixes

• correctly resolve SCSS resources from nested paths (2fcbe68), closes #​3006

v19.2.0

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v19.1.2

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• add tailwindcss version 4 as a valid peer dependency (719577c)

v19.1.1

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19.1.1 (2025-01-24)

Bug Fixes

• disable TypeScript removeComments option (f0415dd)

v19.1.0

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19.1.1 (2025-01-24)

Bug Fixes

• disable TypeScript removeComments option (f0415dd)

v19.0.1

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Features

• support TypeScript 5.7 (af70d03)

19.0.1 (2024-11-22)

Bug Fixes

• correctly show stylesheet processing errors (4d66246)

v19.0.0

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Features

• support TypeScript 5.7 (af70d03)

19.0.1 (2024-11-22)

Bug Fixes

• correctly show stylesheet processing errors (4d66246)

v18.2.1

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Bug Fixes

• disable rollups hoistTransitiveImports (2b077c8)

18.2.1 (2024-08-21)

Bug Fixes

• disable rollups hoistTransitiveImports (87fd814)

v18.2.0

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Bug Fixes

• disable rollups hoistTransitiveImports (2b077c8)

18.2.1 (2024-08-21)

Bug Fixes

• disable rollups hoistTransitiveImports (87fd814)

v18.1.0

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Features

• add support for TypeScript 5.5 (ae2a698)

v18.0.0

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⚠ BREAKING CHANGES

• Node.js support for versions <18.19.1 and <20.11.1 has been removed.

Bug Fixes

• incorrect path resolution for entry-points when generating FESM (f2cd914), closes #​2838

Features

• add support for Angular 18 (9bef232)
• add NgPackagrOptions to public api (ffc512e)
• add support for polling (2c7f75b)
• support TypeScript 5.4 (07d5cea)

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