[Snyk] Security upgrade mocha from 2.5.3 to 6.2.3

[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

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	471/1000 Why? Recently disclosed, Has a fix available, CVSS 3.7	Prototype Pollution SNYK-JS-MINIMIST-2429795	Yes	No Known Exploit

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

Commit messages

Package name: mocha

The new version differs by 250 commits.

• eb781e2 Release v6.2.3
• 10dbe94 update CHANGELOG for v6.2.3 [ci skip]
• 848d6fb security: update mkdirp, yargs, yargs-parser
• 843a322 6.2.2
• aec8b02 update CHANGELOG for v6.2.2 [ci skip]
• 7a8b95a npm audit fixes
• cebddf2 Improve reporter documentation for mocha in browser. (#4026)
• 3f7b987 uncaughtException: report more than one exception per test (#4033)
• ee82d38 modify alt text of image from Backers to Sponsors inside Sponsors section in Readme (#4046)
• e9c036c special-case parsing of "require" in unparseNodeArgs(); closes #4035 (#4063)
• 954cf0b Fix HTMLCollection iteration to make unhide function work as expected (#4051)
• 816dc27 uncaughtException: fix double EVENT_RUN_END events (#4025)
• 9650d3f add OpenJS Foundation logo to website (#4008)
• f04b81d Adopt the OpenJSF Code of Conduct (#3971)
• aca8895 Add link checking to docs build step (#3972)
• ef6c820 Release v6.2.1
• 9524978 updated CHANGELOG for v6.2.1 [ci skip]
• dfdb8b3 Update yargs to v13.3.0 (#3986)
• 18ad1c1 treat '--require esm' as Node option (#3983)
• fcffd5a Update yargs-unparser to v1.6.0 (#3984)
• ad4860e Remove extraGlobals() (#3970)
• b269ad0 Clarify effect of .skip() (#3947)
• 1e6cf3b Add Matomo to website (#3765)
• 91b3a54 fix style on mochajs.org (#3886)

See the full diff

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