build(deps-dev): bump globals from 15.3.0 to 15.4.0

Bumps [globals](https://github.com/sindresorhus/globals) from 15.3.0 to 15.4.0.
- [Release notes](https://github.com/sindresorhus/globals/releases)
- [Commits](sindresorhus/globals@v15.3.0...v15.4.0)

---
updated-dependencies:
- dependency-name: globals
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -44,7 +44,7 @@
     "gel-grid": "^6.1.0",
     "gel-sass-tools": "^3.1.2",
     "gel-typography": "^5.0.0",
-    "globals": "^15.3.0",
+    "globals": "^15.4.0",
     "gulp": "^5.0.0",
     "gulp-autoprefixer": "^9.0.0",
     "gulp-babel": "^8.0.0",