chore(deps): update @angular to v10.2.3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
@angular/animations	dependencies	patch	10.2.2 -> 10.2.3
@angular/common	dependencies	patch	10.2.2 -> 10.2.3
@angular/compiler	dependencies	patch	10.2.2 -> 10.2.3
@angular/core	dependencies	patch	10.2.2 -> 10.2.3
@angular/forms	dependencies	patch	10.2.2 -> 10.2.3
@angular/platform-browser	dependencies	patch	10.2.2 -> 10.2.3
@angular/platform-browser-dynamic	dependencies	patch	10.2.2 -> 10.2.3
@angular/router	dependencies	patch	10.2.2 -> 10.2.3

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Release Notes

angular/angular

### [`v10.2.3`](https://togithub.com/angular/angular/blob/master/CHANGELOG.md#​1023-2020-11-09) [Compare Source](https://togithub.com/angular/angular/compare/10.2.2...10.2.3) ##### Bug Fixes - **compiler:** ensure that i18n message-parts have the correct source-span ([#​39589](https://togithub.com/angular/angular/issues/39589)) ([e67a331](https://togithub.com/angular/angular/commit/e67a331)) - **compiler:** skipping leading whitespace should not break placeholder source-spans ([#​39589](https://togithub.com/angular/angular/issues/39589)) ([2b684b7](https://togithub.com/angular/angular/commit/2b684b7)), closes [#​39195](https://togithub.com/angular/angular/issues/39195) - **compiler-cli:** avoid duplicate diagnostics about unknown pipes ([#​39517](https://togithub.com/angular/angular/issues/39517)) ([861e4fa](https://togithub.com/angular/angular/commit/861e4fa)) - **compiler-cli:** do not drop non-Angular decorators when downleveling ([#​39577](https://togithub.com/angular/angular/issues/39577)) ([1c6cf8a](https://togithub.com/angular/angular/commit/1c6cf8a)), closes [#​39574](https://togithub.com/angular/angular/issues/39574)

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