build: update angular to 8dbf421

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
@angular/animations	dependencies	digest	8dd79b2 -> 8dbf421
@angular/cdk	dependencies	digest	441b0f6 -> 0b26932
@angular/common	dependencies	digest	1161b35 -> ba1304a
@angular/compiler	dependencies	digest	5140bfc -> 6255081
@angular/compiler-cli	dependencies	digest	ec67229 -> 55d2dbb
@angular/core	dependencies	digest	1d21cc9 -> 221bc89
@angular/dev-infra-private	devDependencies	digest	5879ecd -> 86a00e6
@angular/forms	dependencies	digest	e56be8d -> c7311ae
@angular/language-service	dependencies	digest	f9e27cc -> 062f66a
@angular/localize	dependencies	digest	04be4f9 -> 535f8e6
@angular/material	dependencies	digest	1beb17a -> ecb1e5f
@angular/material-moment-adapter	dependencies	digest	c00cbe5 -> b043acd
@angular/platform-browser	dependencies	digest	62bafc6 -> 0ce278a
@angular/platform-browser-dynamic	dependencies	digest	fa91883 -> 0664511
@angular/platform-server	dependencies	digest	ef1a1ab -> aa83953
@angular/router	dependencies	digest	4e76082 -> ef5dba9
@angular/service-worker	dependencies	digest	68bcf25 -> 48e5cb5

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