fix: upgrade standard-version from 9.1.0 to 9.3.0 (#49)

Snyk has created this PR to upgrade standard-version from 9.1.0 to 9.3.0.

See this package in npm:
https://www.npmjs.com/package/standard-version

See this project in Snyk:
https://app.snyk.io/org/nodeshift-agg/project/2fdda348-6ce6-42ea-838c-d09239a73d3a?utm_source=github&utm_medium=upgrade-pr