chore(webcomponents): update WC package versions for 7.3 cycle

[ivanvpetrov]

Description

Bump WebComponents version to latest stable 7.3.0

Related Issue

Closes #

Type of Change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update
• Refactoring / code cleanup
• Build / CI configuration change

Affected Packages

• igniteui-cli (packages/cli)
• @igniteui/cli-core (packages/core)
• @igniteui/angular-templates (packages/igx-templates)
• @igniteui/angular-schematics (packages/ng-schematics)
• @igniteui/mcp-server (packages/igniteui-mcp)

Checklist

• I have tested my changes locally (npm run test)
• I have built the project successfully (npm run build)
• I have run the linter (npm run lint)
• I have added/updated tests as needed
• My changes do not introduce new warnings or errors

Additional Context

[Copilot]

Pull request overview

This PR updates the Ignite UI Web Components dependency versions used by the igc-ts Web Components project templates in packages/cli, aiming to move generated projects to the 7.3 release cycle.

Changes:

• Bumped igniteui-webcomponents to ~7.3.0 in the base and “base with home” WC templates.
• Updated the “base with home” template’s split WC package deps (*-core/charts/gauges/inputs/layouts) to ~7.1.0.
• Updated igc-ts template package constants for split WC packages from ~7.0.0 to ~7.1.0 (grids remains ~7.2.1).

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
packages/cli/templates/webcomponents/igc-ts/projects/_base/files/package.json	Bumps the default igniteui-webcomponents dependency to ~7.3.0 for newly generated base WC projects.
packages/cli/templates/webcomponents/igc-ts/projects/_base_with_home/files/package.json	Bumps igniteui-webcomponents to ~7.3.0 and updates several split WC dependencies to ~7.1.0 for the “with home” starter.
packages/cli/templates/webcomponents/igc-ts/constants.ts	Updates the versions used by ig add WC templates when installing split WC packages.

Suppressed comments (1)

packages/cli/templates/webcomponents/igc-ts/constants.ts:6

• Same concern for the remaining Web Components sub-packages: these versions drive the dependencies installed for grid/tree/etc templates, and may create version skew relative to igniteui-webcomponents@~7.3.0 in the project base templates. Align to the intended 7.3 versions (or document/justify the intentional skew).

export const IGNITEUI_WEBCOMPONENTS_GRIDS_PACKAGE = "igniteui-webcomponents-grids@~7.2.1";
export const IGNITEUI_WEBCOMPONENTS_INPUTS_PACKAGE = "igniteui-webcomponents-inputs@~7.1.0";
export const IGNITEUI_WEBCOMPONENTS_LAYOUTS_PACKAGE = "igniteui-webcomponents-layouts@~7.1.0";

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[coveralls]

coverage: 87.816%. remained the same — ipetrov/wc-7-3-upgrade into master