ci: update dependency @schematics/angular to v12.2.3

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@schematics/angular	12.2.2 -> 12.2.3

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Release Notes

angular/angular-cli

### [`v12.2.3`](https://togithub.com/angular/angular-cli/blob/master/CHANGELOG.md#​1223-2021-08-26) [Compare Source](https://togithub.com/angular/angular-cli/compare/12.2.2...12.2.3) ##### [@​angular-devkit/build-angular](https://togithub.com/angular-devkit/build-angular) | Commit | Type | Description | | --------------------------------------------------------------------------------------------------- | ---- | -------------------------------------------------------------- | | [3e3321857](https://togithub.com/angular/angular-cli/commit/3e33218578007f93a131dc8be569e9985179098f) | fix | RGBA converted to hex notation in component styles breaks IE11 | #### Special Thanks: Alan Agius and Trevor Karjanis

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