fix: package.json to reduce vulnerabilities
fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/npm:is-url:20180319

Latest report for m4bwav/get-title-at-url:
https://snyk.io/test/github/m4bwav/get-title-at-url
m4bwav/get-title-at-url