[Snyk] Security upgrade sequelize-cli from 5.4.0 to 5.5.0

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • package.json

⚠️ Warning

``` Failed to update the package-lock.json, please update manually before merging. ```

Vulnerabilities that will be fixed

With an upgrade:

Severity	Issue	Breaking Change	Exploit Maturity
	Prototype Pollution SNYK-JS-YARGSPARSER-560381	No	Proof of Concept

Commit messages

Package name: sequelize-cli

The new version differs by 9 commits.

• c46f744 5.5.0
• 3d1c41e docs: changelog for next release
• a04ff93 chores: remove extra build from ci
• cd57b40 fix: special characters in password are not escaped (#722)
• 0828c1f chore(package): update mocha to version 6.0.0 (#745)
• c15c81f change: default config for operator aliases (#743)
• 8dc5a20 fix(package): update yargs to version 13.1.0 (#744)
• 77a9a76 chore(package): update gulp to version 4.0.0 (#726)
• c19149f docs: enum type (#728)

See the full diff

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