Bump playwright from 1.48.2 to 1.50.1 in /prototypes/basic

Bumps [playwright](https://github.com/microsoft/playwright) from 1.48.2 to 1.50.1.
- [Release notes](https://github.com/microsoft/playwright/releases)
- [Commits](microsoft/playwright@v1.48.2...v1.50.1)

---
updated-dependencies:
- dependency-name: playwright
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

prototypes/basic/package-lock.json

@@ -10,7 +10,7 @@
     "@register-dynamics/importer": "file:../../lib/importer",
     "govuk-frontend": "5.7.1",
     "govuk-prototype-kit": "13.16.2",
-    "playwright": "^1.48.2"
+    "playwright": "^1.50.1"
   },
   "devDependencies": {
     "@playwright/test": "^1.48.2"