build(deps-dev): bump cypress from 15.5.0 to 15.6.0

Bumps [cypress](https://github.com/cypress-io/cypress) from 15.5.0 to 15.6.0.
- [Release notes](https://github.com/cypress-io/cypress/releases)
- [Changelog](https://github.com/cypress-io/cypress/blob/develop/CHANGELOG.md)
- [Commits](cypress-io/cypress@v15.5.0...v15.6.0)

---
updated-dependencies:
- dependency-name: cypress
  dependency-version: 15.6.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -19,7 +19,7 @@
   },
   "homepage": "https://github.com/hackariens/phpfpm#readme",
   "devDependencies": {
-    "cypress": "15.5.*",
+    "cypress": "15.6.*",
     "dotenv": "17.2.*",
     "jscpd": "4.0.*",
     "release-it": "19.0.*"