build(deps-dev): bump @podman-desktop/tests-playwright (#3466)

Bumps [@podman-desktop/tests-playwright](https://github.com/podman-desktop/podman-desktop) from 1.20.2 to 1.21.0.
- [Release notes](https://github.com/podman-desktop/podman-desktop/releases)
- [Changelog](https://github.com/podman-desktop/podman-desktop/blob/main/RELEASE.md)
- [Commits](podman-desktop/podman-desktop@v1.20.2...v1.21.0)

---
updated-dependencies:
- dependency-name: "@podman-desktop/tests-playwright"
  dependency-version: 1.21.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pnpm-lock.yaml

@@ -11,7 +11,7 @@
   "license": "Apache-2.0",
   "devDependencies": {
     "@playwright/test": "^1.54.2",
-    "@podman-desktop/tests-playwright": "1.20.2",
+    "@podman-desktop/tests-playwright": "1.21.0",
     "@types/node": "^22",
     "typescript": "^5.9.2",
     "xvfb-maybe": "^0.2.1"