fix: upgrade loopback-datasource-juggler from 4.28.5 to 4.28.6 (#158)

Snyk has created this PR to upgrade loopback-datasource-juggler from 4.28.5 to 4.28.6.

See this package in npm:
https://www.npmjs.com/package/loopback-datasource-juggler

See this project in Snyk:
https://app.snyk.io/org/ashishkaushik/project/8f38c78d-7c6f-4428-b63a-24296037953a?utm_source=github&utm_medium=referral&page=upgrade-pr

Co-authored-by: snyk-bot <snyk-bot@snyk.io>