build(deps-dev): bump the testing group with 3 updates

Bumps the testing group with 3 updates: [axe-core](https://github.com/dequelabs/axe-core), [cypress](https://github.com/cypress-io/cypress) and [ng-mocks](https://github.com/help-me-mom/ng-mocks).


Updates `axe-core` from 4.12.1 to 4.13.0
- [Release notes](https://github.com/dequelabs/axe-core/releases)
- [Changelog](https://github.com/dequelabs/axe-core/blob/develop/CHANGELOG.md)
- [Commits](dequelabs/axe-core@v4.12.1...v4.13.0)

Updates `cypress` from 15.19.0 to 15.21.0
- [Release notes](https://github.com/cypress-io/cypress/releases)
- [Changelog](https://github.com/cypress-io/cypress/blob/develop/CHANGELOG.md)
- [Commits](cypress-io/cypress@v15.19.0...v15.21.0)

Updates `ng-mocks` from 14.15.3 to 14.17.2
- [Release notes](https://github.com/help-me-mom/ng-mocks/releases)
- [Changelog](https://github.com/help-me-mom/ng-mocks/blob/main/CHANGELOG.md)
- [Commits](help-me-mom/ng-mocks@v14.15.3...v14.17.2)

---
updated-dependencies:
- dependency-name: axe-core
  dependency-version: 4.13.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: testing
- dependency-name: cypress
  dependency-version: 15.21.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: testing
- dependency-name: ng-mocks
  dependency-version: 14.17.2
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: testing
...

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Author: dependabot[bot]