test(deps): bump the npm group with 2 updates (#1237)

Bumps the npm group with 2 updates: [@playwright/test](https://github.com/microsoft/playwright) and [dotenv](https://github.com/motdotla/dotenv).


Updates `@playwright/test` from 1.58.2 to 1.59.1
- [Release notes](https://github.com/microsoft/playwright/releases)
- [Commits](microsoft/playwright@v1.58.2...v1.59.1)

Updates `dotenv` from 17.3.1 to 17.4.0
- [Changelog](https://github.com/motdotla/dotenv/blob/master/CHANGELOG.md)
- [Commits](motdotla/dotenv@v17.3.1...v17.4.0)

---
updated-dependencies:
- dependency-name: "@playwright/test"
  dependency-version: 1.59.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: npm
- dependency-name: dotenv
  dependency-version: 17.4.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: npm
...

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

Author: dependabot[bot]

package-lock.json

@@ -2,9 +2,9 @@
   "name": "amp-devcontainer-tests",
   "version": "1.0.0",
   "devDependencies": {
-    "@playwright/test": "^1.58.2",
+    "@playwright/test": "^1.59.1",
     "@types/node": "^25.5.0",
-    "dotenv": "^17.3.1",
+    "dotenv": "^17.4.0",
     "nodemon": "^3.1.14",
     "otpauth": "^9.5.0",
     "playwright-bdd": "^8.5.0"