Upgrade Angular framework to latest version for Builder

[rahulgoel1]

Currently Builder is built using Angular framework 6 and there are few CVE's open on builder. We need to upgrade Angular to the latest framework.

[pozsgaic]

There are 4 open CVE's, 3 of which are of high severity. All are related to the package.json file. High severity: axios, tar, trim-newlines Medium severity: jsonpointer

[stale[bot]]

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