Bump fancy-log from 1.3.3 to 2.0.0

Bumps [fancy-log](https://github.com/gulpjs/fancy-log) from 1.3.3 to 2.0.0.
- [Release notes](https://github.com/gulpjs/fancy-log/releases)
- [Changelog](https://github.com/gulpjs/fancy-log/blob/master/CHANGELOG.md)
- [Commits](gulpjs/fancy-log@v1.3.3...v2.0.0)

---
updated-dependencies:
- dependency-name: fancy-log
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -31,7 +31,7 @@
     "express": "^4.17.1",
     "express-session": "^1.17.2",
     "express-writer": "0.0.4",
-    "fancy-log": "^1.3.3",
+    "fancy-log": "^2.0.0",
     "govuk_frontend_toolkit": "^7.5.0",
     "govuk_template_jinja": "^0.24.1",
     "govuk-elements-sass": "^3.1.3",