fix(deps): update angular monorepo

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
@angular/compiler	dependencies	minor	8.1.3 -> 8.2.8
@angular/core	dependencies	minor	8.1.3 -> 8.2.8
zone.js	dependencies	patch	0.10.0 -> 0.10.2

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Release Notes

angular/angular

v8.2.8

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This release contains various API docs improvements.

v8.2.7

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This release contains various API docs improvements.

v8.2.6

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Bug Fixes

• bazel: ng_package(data) should support non-text files (#​32721) (ba1ef6b)
• compiler-cli: fix typo in diagnostic template info. (#​32684) (947c076), closes #​32662
• language-service: cache module resolution (#​32483) (1c5b157)

v8.2.5

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This release contains various API docs improvements.

v8.2.4

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This release contains various API docs improvements.

Bug Fixes

• common: HttpParams fromObject accepts ReadonlyArray (#​31072) (b3ea698), closes #​28452

v8.2.3

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This release contains various API docs improvements.

v8.2.2

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Bug Fixes

• bazel: pin [@microsoft](https://togithub.com/microsoft)/api-extractor (#​32187) (a7b9478)

v8.2.1

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Bug Fixes

• bazel: disable treeshaking when generating FESM and UMD bundles (#​32069) (3420d29)

v8.2.0

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• Ivy related improvements and fixes

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