Bump @playwright/test from 1.49.0 to 1.50.1 in /extensions/ql-vscode

Bumps [@playwright/test](https://github.com/microsoft/playwright) from 1.49.0 to 1.50.1.
- [Release notes](https://github.com/microsoft/playwright/releases)
- [Commits](microsoft/playwright@v1.49.0...v1.50.1)

---
updated-dependencies:
- dependency-name: "@playwright/test"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

extensions/ql-vscode/package-lock.json

@@ -2011,7 +2011,7 @@
     "@faker-js/faker": "^9.0.3",
     "@github/markdownlint-github": "^0.6.3",
     "@microsoft/eslint-formatter-sarif": "^3.1.0",
-    "@playwright/test": "^1.49.0",
+    "@playwright/test": "^1.50.1",
     "@storybook/addon-a11y": "^8.6.0",
     "@storybook/addon-actions": "^8.6.0",
     "@storybook/addon-essentials": "^8.6.0",