fix: tools/node_modules/eslint/node_modules/flat-cache/package.json & tools/node_modules/eslint/node_modules/flat-cache/.snyk to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-MINIMATCH-3050818
- https://snyk.io/vuln/SNYK-JS-MOCHA-2863123
- https://snyk.io/vuln/SNYK-JS-NANOID-2332193


The following vulnerabilities are fixed with a Snyk patch:
- https://snyk.io/vuln/SNYK-JS-LODASH-567746
- https://snyk.io/vuln/npm:extend:20180424
- https://snyk.io/vuln/npm:minimatch:20160620

Author: snyk-bot