chore(deps-dev): bump nightwatch from 1.6.4 to 1.7.7

Bumps [nightwatch](https://github.com/nightwatchjs/nightwatch) from 1.6.4 to 1.7.7.
- [Release notes](https://github.com/nightwatchjs/nightwatch/releases)
- [Commits](https://github.com/nightwatchjs/nightwatch/compare/v1.6.4...v1.7.7)

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

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

package.json

@@ -150,7 +150,7 @@
     "local-web-server": "^4.2.1",
     "mini-css-extract-plugin": "^1.6.0",
     "mocha": "=8.4.0",
-    "nightwatch": "^1.6.4",
+    "nightwatch": "^1.7.7",
     "npm-audit-ci-wrapper": "^3.0.2",
     "npm-run-all": "^4.1.5",
     "oauth2-server": "^2.4.1",