Bump @playwright/test from 1.55.1 to 1.56.1 in /js

Bumps [@playwright/test](https://github.com/microsoft/playwright) from 1.55.1 to 1.56.1.
- [Release notes](https://github.com/microsoft/playwright/releases)
- [Commits](microsoft/playwright@v1.55.1...v1.56.1)

---
updated-dependencies:
- dependency-name: "@playwright/test"
  dependency-version: 1.56.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

js/package.json

@@ -42,7 +42,7 @@
   "dependencies": {},
   "devDependencies": {
     "@finos/perspective-esbuild-plugin": "^3.2.1",
-    "@playwright/test": "^1.55.1",
+    "@playwright/test": "^1.56.1",
     "@prospective.co/procss": "^0.1.17",
     "cpy": "^12.0.1",
     "esbuild": "^0.25.10",