[Snyk] Security upgrade chokidar from 1.7.0 to 3.0.0

[jmatsushita]

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:
  • test/fixtures/sigh-project/package.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	479/1000 Why? Has a fix available, CVSS 5.3	Regular Expression Denial of Service (ReDoS) SNYK-JS-GLOBPARENT-1016905	Yes	No Known Exploit

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

Commit messages

Package name: chokidar

The new version differs by 216 commits.

• 7b8e02a Release 3.0.0.
• e7bfe2f Move stuff.
• df7f22e Remove changelog from npm, move to hidden dir.
• 3df7692 Improve naming.
• 6e94ca2 Clean-up.
• 2de2f9c test: Add testing of Node.js v12 in Travis pipeline. (#833)
• 9e0965a Fix Windows tests in Travis CI (#832)
• c95a98f Update stuff.
• 187ff2b test: Trying to fix blinked tests for Travis CI. (#825)
• db99076 fix(Windows): Add converting from windows to unix path for all ignored paths. (#824)
• 41f8782 fix(FsEvents): Remove situation with NaN depth. (#823)
• 7cf3f7e Update readdirp to stable.
• 0927a62 Bump packages.
• 11cd857 Update nyc.
• 99c14d7 Uncomment fsevents.
• cf330a5 Update fsevents.
• 0e4fca5 Fix deps.
• 9c575d4 Fix Windows version (#821)
• 3323d59 fix(Linux): Make event loop hack for keep testing valid. (#820)
• 06214c5 Update to latest readdirp.
• 793639f Rename osxfswatch.
• 078bc2d Refactor and fix freaking tests.
• 2b9bb41 Try node 11.
• 3fe3d4e Test travis.

See the full diff

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