Upgrade dev dependencies in Angular example

[Hypnosphi]

Issue: #2931 #3218

[codecov]

Codecov Report

Merging #3391 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3391   +/-   ##
=======================================
  Coverage   36.78%   36.78%           
=======================================
  Files         458      458           
  Lines       10042    10042           
  Branches      887      891    +4     
=======================================
  Hits         3694     3694           
- Misses       5799     5810   +11     
+ Partials      549      538   -11

Impacted Files	Coverage Δ
addons/storysource/src/loader/generate-helpers.js	44.44% <0%> (ø)	⬆️
lib/ui/src/modules/ui/containers/routed_link.js	22.72% <0%> (ø)	⬆️
lib/ui/src/modules/ui/libs/filters.js	48.64% <0%> (ø)	⬆️
lib/core/src/client/preview/config_api.js	46.55% <0%> (ø)	⬆️
app/react-native/src/bin/storybook-start.js	0% <0%> (ø)	⬆️
.../src/modules/ui/components/stories_panel/header.js	28.57% <0%> (ø)	⬆️
addons/a11y/src/components/Report/Elements.js	0% <0%> (ø)	⬆️
app/angular/src/server/angular-cli_config.js	0% <0%> (ø)	⬆️
addons/knobs/src/components/types/Color.js	8.1% <0%> (ø)	⬆️
...-native/src/preview/components/OnDeviceUI/index.js	0% <0%> (ø)	⬆️
... and 60 more

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