feat(Dependencies): Update dependency @ng-select/ng-select to v21

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@ng-select/ng-select	20.7.0 -> 21.1.3

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Release Notes

ng-select/ng-select (@​ng-select/ng-select)

v21.1.3

Compare Source

Bug Fixes

• Used ngAfterContentChecked instead of afterNextRender (#​2725) (ca9fa46)

v21.1.2

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Bug Fixes

• allows undefined for isOpen input (#​2742) (71b1d03)

v21.1.1

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Bug Fixes

• fixes an issue with ng-option-highlight release (#​2741) (f1ebf6f)

v21.1.0

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Features

• migrates new eslint config (#​2740) (4050e37)

v21.0.1

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Bug Fixes

• update Angular dependencies to version 21.0.3 and 21.0.2 (#​2739) (571daaa)

v21.0.0

Compare Source

Features

• adds 21.0.0 support (#​2727) (56ac585)

BREAKING CHANGES

• adds 21.0.0 support

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Configuration

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🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

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This PR was generated by Mend Renovate. View the repository job log.

[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: package-lock.json

npm warn Unknown env config "store". This will stop working in the next major version of npm.
npm error code ERESOLVE
npm error ERESOLVE unable to resolve dependency tree
npm error
npm error While resolving: @denbi/[email protected]
npm error Found: @angular/[email protected]
npm error node_modules/@angular/common
npm error   @angular/common@"20.3.0" from the root project
npm error
npm error Could not resolve dependency:
npm error peer @angular/common@"^21.0.0" from @ng-select/[email protected]
npm error node_modules/@ng-select/ng-select
npm error   @ng-select/ng-select@"21.1.3" from the root project
npm error
npm error Fix the upstream dependency conflict, or retry
npm error this command with --force or --legacy-peer-deps
npm error to accept an incorrect (and potentially broken) dependency resolution.
npm error
npm error
npm error For a full report see:
npm error /runner/cache/others/npm/_logs/2025-12-15T15_38_51_278Z-eresolve-report.txt
npm error A complete log of this run can be found in: /runner/cache/others/npm/_logs/2025-12-15T15_38_51_278Z-debug-0.log