[Snyk] Security upgrade gulp from 3.7.0 to 5.0.0

[jonathan-fielding]

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 :-------------------------:|-------------------------|:-------------------------|:-------------------------|:-------------------------  | **631/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 6.2 | Missing Release of Resource after Effective Lifetime
[SNYK-JS-INFLIGHT-6095116](https://snyk.io/vuln/SNYK-JS-INFLIGHT-6095116) | Yes | Proof of Concept (*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: gulp

The new version differs by 250 commits.

• 5c4c547 chore: Release 5.0.0 (#2762)
• bf72116 chore: Add index.mjs to files list
• b00de68 feat: Provide an ESM export (#2760)
• 72668c6 chore!: Normalize repository, dropping node <10.13 support (#2758)
• 85896d4 chore(docs): Update stream handbook link (#2711)
• 818bd73 Docs: Remove gulp-sourcemaps because it is built-in (#2592)
• 598f971 Docs: Fix broken link in recipe (#2571)
• 9877de0 Docs: Guide CustomRegistries to maintain properties on tasks (fixes #2561) (#2565)
• f91c388 Docs: Remove typo in custom registry docs (#2543)
• df25250 Docs: Fix typo in task docs (#2524)
• b6d6d7c Docs: fix recipe link (#2526)
• c26ebcb Docs: Cleanup registry error message subtitles
• d51c6eb Docs: Rename the automate releases recipe file
• 4c1bead Docs: Add subtitles for registry error messages (#2502)
• 6e56ed8 Docs: Update and refactor release workflow recipe (#2498)
• 131b702 Docs: Remove recipe for using a config file
• c5ff7e0 Docs: Remove recipe for splitting tasks in files
• 147327c Docs: Remove recipe for specifying a CWD
• 1a653a9 Docs: Remove recipe for running shell commands
• e1190ea Docs: Remove recipe for exporting tasks
• c4305df Docs: Remove recipe for running tasks in series
• 486f927 Docs: Remove recipes for selecting changed files
• b7b70b8 Docs: Fix some links
• 93564bd Docs: Add advanced section for creation of custom registries (#2479)

See the full diff

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