[Snyk] Security upgrade mocha from 6.2.2 to 9.1.2

[twilio-product-security]

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	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	696/1000 Why? Proof of Concept exploit, Has a fix available, CVSS 7.5	Regular Expression Denial of Service (ReDoS) SNYK-JS-ANSIREGEX-1583908	Yes	Proof of Concept

(*) 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.

• 18a1055 build(v9.1.2): release
• 011a5a4 fix: regex in 'update-authors.js'
• 06f3f63 build(v9.1.2): update CHANGELOG [ci skip]
• a87461c chore(deps): remove 'wide-align' (#4754)
• c7f56d1 docs: how to use 'rootHooks' in the browser (#4755) [ci skip]
• 8421974 fix(browser): stop using all global vars in 'browser-entry' (#4746)
• 27bfc74 docs: add complete '--delay' example (#4744) [ci skip]
• 4860738 chore(devDeps): update 'eslint' and its plugins (#4737)
• abfddf8 docs: fix broken table width under 450 screen width (#4734)
• 97b8470 chore(esm): remove code for Node versions <10 (#4736)
• 654b5df build(v9.1.1): release
• a26cca9 build(v9.1.1): update CHANGELOG [ci skip]
• e975675 chore: update some devDependencies (#4733)
• 9e0369b fix(parallel): 'XUNIT' and 'JSON' reporter crash (#4623)
• 014e47a build(v9.1.0): release
• 3a14b28 build(v9.1.0): update CHANGELOG [ci skip]
• 171e211 feat(reporter): add output option to 'JSON' (#4607)
• bbf0c11 feat: add new option 'fail-zero' (#4716)
• 757b85d docs: improve 'grep()' and clarify docs (#4714)
• f19d3ca docs: remove unsupported 'no-timeout' option (#4719) [ci skip]
• 9f82ccb chore(gha): update 'stale.yml' (#4718) [ci skip]
• 09ffc30 Set CSP on karma to prevent 'evalError' regression (#4706)
• 02bf13d Update devDep '@ babel/preset-env' and pin 'regenerator-runtime' (#4707)
• 54a5788 Add new option "node-option" (#4691)

See the full diff

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