build(deps-dev): bump playwright and @playwright/test

Bumps [playwright](https://github.com/microsoft/playwright) and [@playwright/test](https://github.com/microsoft/playwright). These dependencies needed to be updated together.

Updates `playwright` from 1.55.0 to 1.56.1
- [Release notes](https://github.com/microsoft/playwright/releases)
- [Commits](microsoft/playwright@v1.55.0...v1.56.1)

Updates `@playwright/test` from 1.55.0 to 1.56.1
- [Release notes](https://github.com/microsoft/playwright/releases)
- [Commits](microsoft/playwright@v1.55.0...v1.56.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -616,7 +616,7 @@
   "devDependencies": {
     "@chromatic-com/storybook": "^4.1.2",
     "@eslint/eslintrc": "^3.3.1",
-    "@playwright/test": "^1.54.1",
+    "@playwright/test": "^1.56.1",
     "@storybook/addon-a11y": "^10.0.5",
     "@storybook/addon-docs": "^10.0.5",
     "@storybook/addon-vitest": "^10.0.5",
@@ -648,7 +648,7 @@
     "mermaid": "^10.9.4",
     "next": "^15.0.3",
     "nunjucks": "^3.2.4",
-    "playwright": "^1.54.1",
+    "playwright": "^1.56.1",
     "prettier": "^3.6.2",
     "prismjs": "^1.29.0",
     "remark-gfm": "^4.0.1",