[Snyk] Security upgrade helmet from 0.9.1 to 3.6.1

[dkeroski]

This PR was automatically created by Snyk using the credentials of a real user.

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

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	399/1000 Why? Has a fix available, CVSS 3.7	Regular Expression Denial of Service (ReDoS) npm:ms:20170412	Yes	No Known Exploit

(*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: helmet

The new version differs by 150 commits.

• 60db9c5 3.6.1
• 621ff8f Update changelog for 3.6.1 release
• 5b50d5c Merge pull request #149 from jgeurts/master
• 55ff10f Update to connect v3.6.2
• 293593f Remove Gitter badge
• 5ecb759 Merge pull request #148 from xizhao/patch-1
• 41b3e40 Remove License section from readme
• 3d76e64 3.6.0
• 4a1a5d7 Add Expect-CT into Helmet 3.6.0
• b959482 License report and badge in README
• da74097 Update Evan Hahn's author URL to HTTPS
• bf1fd62 Update license year for 2017
• ebd0d35 3.5.0
• 5fc28eb Remove deprecated Node versions from Travis CI
• 6112092 Update helmet-csp to 2.4.0
• c0b3049 Update Standard to latest version
• c18c03c 3.4.1
• 37dbcda Update connect to 3.6.0
• 5160ad2 3.4.0
• 00afc2f Update devDependencies to latest versions
• 7dca390 Update helmet-csp to 2.3.0
• 98802b3 Add note about placing Helmet early in the middleware stack
• 5e6f31f 3.3.0
• 667a8bf Update changelog for 3.3.0 release

See the full diff

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