feat: Upgrade to Angular 20

[sonukapoor]

Upgrade to Angular 20

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[Copilot]

Pull Request Overview

This PR upgrades the workspace to Angular 20, updating dependencies, build configurations, and migration scripts to align with Angular 20 and NX 21 conventions.

• Updated Angular, Material, CDK, and NX package versions in package.json
• Switched TypeScript moduleResolution to bundler across tsconfig files
• Added new migration definitions and applied API changes (e.g., TestBed.inject, provideServerRendering import, block control flow syntax)

Reviewed Changes

Copilot reviewed 27 out of 30 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
projects/libs/**/tsconfig.*.json	Consolidated arrays, set "moduleResolution": "bundler"
package.json	Bumped Angular & NX versions to v20/v21, adjusted lint command
migrations.json	Added migration entries for Angular 20 and NX 21, including document-core
projects/apps/updated-demo/src/app/components/custom-sidenav/custom-sidenav.component.ts	Removed CommonModule from component imports (affects structural directives)
projects/apps/demo-app/src/app/responsive/responsive-row-column/component.html	Converted *ngIf to new @if block control flow syntax

Comments suppressed due to low confidence (3)

migrations.json:12

• This description is duplicated for the remove-custom-tasks-runner migration. Update it to accurately reflect removing the custom tasks runner configuration.

      "description": "Removes the legacy cache configuration from nx.json",

projects/apps/updated-demo/src/app/components/custom-sidenav/custom-sidenav.component.ts:71

• CommonModule provides directives like *ngIf and *ngFor. Its removal will break template bindings; please re-add it to the imports array or ensure another module provides it.

    `,

package.json:110

• [nitpick] TSLint is deprecated in the Angular ecosystem. Consider removing this dependency and migrating all linting to ESLint.

    "tslint": "^6.1.3",

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[DuncanFaulkner]

LGTM