build(deps): bump playwright and @playwright/test in /src/store-admin

Bumps [playwright](https://github.com/microsoft/playwright) to 1.56.1 and updates ancestor dependency [@playwright/test](https://github.com/microsoft/playwright). These dependencies need to be updated together.


Updates `playwright` from 1.51.0 to 1.56.1
- [Release notes](https://github.com/microsoft/playwright/releases)
- [Commits](microsoft/playwright@v1.51.0...v1.56.1)

Updates `@playwright/test` from 1.51.0 to 1.56.1
- [Release notes](https://github.com/microsoft/playwright/releases)
- [Commits](microsoft/playwright@v1.51.0...v1.56.1)

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

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

Author: dependabot[bot]

src/store-admin/package-lock.json

@@ -24,7 +24,7 @@
     "vue-router": "^4.5.0"
   },
   "devDependencies": {
-    "@playwright/test": "^1.51.0",
+    "@playwright/test": "^1.56.1",
     "@tsconfig/node22": "^22.0.0",
     "@types/body-parser": "^1.19.5",
     "@types/jsdom": "^21.1.7",