[Snyk] Security upgrade qrcode from 1.2.0 to 1.3.4

[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
  • package-lock.json

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: qrcode

The new version differs by 50 commits.

• def7b87 1.3.4
• e4ad095 fix: fixes yargs coercing number args eating zeros
• 8d0b21b chore: clean up keywords
• a938655 Merge pull request #180 from niftylettuce/patch-1
• e457cc8 Update package.json
• f3ae0e8 Merge pull request #176 from gfx/remove-can-promise-deps
• 69b81fb remove can-promise package which is no longer used
• 2066d03 Create CODE_OF_CONDUCT.md
• 196a379 Merge pull request #169 from abmaonline/feature/137-digits-only-color-code
• d59c2bf Add support for color codes containing only digits
• 004e26c fix: adding node 8 and 10 to travis
• b265e31 lint: standard
• b90c950 feat: adding changelog fixes #165
• d45b1b0 1.3.3
• 79331ee 1.3.2
• a40c757 fix: security vulnerabillities and a ref to new Buffer
• 9636fd6 Merge pull request #167 from samuelterra22/patch-2
• 158b44c Update yargs dependency
• 3b71514 update yargs dependency
• 2774c6a adding can-promise back temporarily
• 2514445 fix: forgot can-promise replacement
• be9fce3 1.3.1
• 8197d78 fix: replacing can-promise
• 08e52ba 1.3.0

See the full diff

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