build(deps-dev): bump start-server-and-test from 1.15.3 to 1.15.4

Bumps [start-server-and-test](https://github.com/bahmutov/start-server-and-test) from 1.15.3 to 1.15.4.
- [Release notes](https://github.com/bahmutov/start-server-and-test/releases)
- [Commits](bahmutov/start-server-and-test@v1.15.3...v1.15.4)

---
updated-dependencies:
- dependency-name: start-server-and-test
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -95,7 +95,7 @@
     "pretty-quick": "^3.1.3",
     "rimraf": "^4.1.2",
     "sass": "^1.58.1",
-    "start-server-and-test": "^1.15.3",
+    "start-server-and-test": "^1.15.4",
     "stylelint": "^14.16.1",
     "stylelint-config-prettier": "^9.0.5",
     "stylelint-config-sass-guidelines": "^9.0.1",