fix: package.json & package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-LODASH-567746
- https://snyk.io/vuln/SNYK-JS-HANDLEBARS-534478
- https://snyk.io/vuln/SNYK-JS-BL-608877
- https://snyk.io/vuln/SNYK-JS-HANDLEBARS-534988
- https://snyk.io/vuln/SNYK-JS-ANSIREGEX-1583908
- https://snyk.io/vuln/SNYK-JS-LODASH-6139239
- https://snyk.io/vuln/SNYK-JS-PRISMJS-1076581
- https://snyk.io/vuln/SNYK-JS-PRISMJS-1585202
- https://snyk.io/vuln/SNYK-JS-LODASH-608086
- https://snyk.io/vuln/SNYK-JS-LODASH-1040724
- https://snyk.io/vuln/SNYK-JS-HANDLEBARS-1056767
- https://snyk.io/vuln/SNYK-JS-HANDLEBARS-567742
- https://snyk.io/vuln/SNYK-JS-INFLIGHT-6095116
- https://snyk.io/vuln/SNYK-JS-PRISMJS-597628
- https://snyk.io/vuln/SNYK-JS-HANDLEBARS-1279029
- https://snyk.io/vuln/SNYK-JS-MINIMIST-559764
- https://snyk.io/vuln/SNYK-JS-HANDLEBARS-480388
- https://snyk.io/vuln/SNYK-JS-GLOBPARENT-1016905
- https://snyk.io/vuln/SNYK-JS-LODASH-1018905
- https://snyk.io/vuln/SNYK-JS-PRISMJS-1314893
- https://snyk.io/vuln/SNYK-JS-HANDLEBARS-469063
- https://snyk.io/vuln/SNYK-JS-MINIMIST-2429795
- https://snyk.io/vuln/npm:debug:20170905
- https://snyk.io/vuln/SNYK-JS-PRISMJS-2404333
- https://snyk.io/vuln/SNYK-JS-MINIMATCH-3050818