Update dependency ng-packagr to v13.3.1

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ng-packagr	13.3.0 -> 13.3.1

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Release Notes

ng-packagr/ng-packagr

v13.3.1

Compare Source

Bug Fixes

• watch mode when using ng-packagr CLI directly (c2338a1)

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