chore(deps): update angular-cli monorepo to v15.2.6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@angular-devkit/build-angular	15.2.4 -> 15.2.6
@angular-devkit/core	15.2.4 -> 15.2.6
@angular-devkit/schematics	15.2.4 -> 15.2.6
@angular/cli	15.2.4 -> 15.2.6
@schematics/angular	15.2.4 -> 15.2.6

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Release Notes

angular/angular-cli

### [`v15.2.6`](https://togithub.com/angular/angular-cli/blob/HEAD/CHANGELOG.md#​1526-2023-04-12) [Compare Source](https://togithub.com/angular/angular-cli/compare/15.2.5...15.2.6) ##### [@​schematics/angular](https://togithub.com/schematics/angular) | Commit | Type | Description | | --------------------------------------------------------------------------------------------------- | ---- | ------------------------------------------------------------ | | [f0b257ef4](https://togithub.com/angular/angular-cli/commit/f0b257ef4ae62f92d70bfd2a4e9912d4ceff9c78) | fix | ignore hidden directories when running browserlist migration | ### [`v15.2.5`](https://togithub.com/angular/angular-cli/blob/HEAD/CHANGELOG.md#​1525-2023-04-05) [Compare Source](https://togithub.com/angular/angular-cli/compare/15.2.4...15.2.5) ##### [@​angular/cli](https://togithub.com/angular/cli) | Commit | Type | Description | | --------------------------------------------------------------------------------------------------- | ---- | ------------------------ | | [db173d7ed](https://togithub.com/angular/angular-cli/commit/db173d7edf685df67b782d81d1bacb84b8debf9a) | fix | collect tech information | #### Special Thanks Alan Agius

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Configuration

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Latest commit: cf28f0c9aa1e1f09e6f3dab24d4d7c1dd799b33a

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### 💻 Website Preview The latest changes are available as preview in: [https://1792db6a.apollo-angular.pages.dev](https://1792db6a.apollo-angular.pages.dev)