Bump xmldom and @angular/cli

[dependabot[bot]]

trafficstars

Removes xmldom. It's no longer used after updating ancestor dependency @angular/cli. These dependencies need to be updated together.

Removes xmldom

Updates @angular/cli from 1.3.1 to 1.7.4

Commits

• 0b291ab release: 1.7.4
• 6afa952 fix(@​angular/cli): Pass logger to allow schematics to log messages
• 40dfce9 release: 1.7.3
• f5e5d57 fix(@​ngtools/webpack): prevent relative request path mapping
• ffcc386 fix(@​ngtools/webpack): ensure webpack errors are actually an Error
• d5d1d9b fix(@​angular/cli): update clean-css to handle parsing edge cases
• 6a55af3 fix(@​angular/cli): workaround ES2015 minifier inlining defect
• fefd6c9 ci: don't install chrome on appveyor
• ae601a0 release: 1.7.2
• f1304b3 fix(@​angular/cli): prevent greedy CSS url function capture
• Additional commits viewable in compare view

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