fix: upgrade rxjs from 6.2.1 to 6.5.4 (#515)
fix: upgrade rxjs from 6.2.1 to 6.5.4 (#515)

Snyk has created this PR to upgrade rxjs from 6.2.1 to 6.5.4.

See this package in NPM:
https://www.npmjs.com/package/rxjs

See this project in Snyk:
https://app.snyk.io/org/viddo/project/7c72b819-1f80-45d1-a92b-439c0e32dd2e?utm_source=github&utm_medium=upgrade-pr

Co-authored-by: Nicklas Gummesson <68acb8899bf52dc401182fe661ad3213925473e1@gmail.com>
viddo/atom-textual-velocity,viddo/atom-textual-velocity