chore(deps): bump the npm-dependencies group across 4 directories with 1 update

Bumps the npm-dependencies group with 1 update in the /tests/npm directory: [nx](https://github.com/nrwl/nx/tree/HEAD/packages/nx).
Bumps the npm-dependencies group with 1 update in the /tests/pnpm directory: [nx](https://github.com/nrwl/nx/tree/HEAD/packages/nx).
Bumps the npm-dependencies group with 1 update in the /tests/pnpm-package-manager directory: [nx](https://github.com/nrwl/nx/tree/HEAD/packages/nx).
Bumps the npm-dependencies group with 1 update in the /tests/yarn directory: [nx](https://github.com/nrwl/nx/tree/HEAD/packages/nx).


Updates `nx` from 21.6.3 to 21.6.4
- [Release notes](https://github.com/nrwl/nx/releases)
- [Commits](https://github.com/nrwl/nx/commits/21.6.4/packages/nx)

Updates `nx` from 21.6.3 to 21.6.4
- [Release notes](https://github.com/nrwl/nx/releases)
- [Commits](https://github.com/nrwl/nx/commits/21.6.4/packages/nx)

Updates `nx` from 21.6.3 to 21.6.4
- [Release notes](https://github.com/nrwl/nx/releases)
- [Commits](https://github.com/nrwl/nx/commits/21.6.4/packages/nx)

Updates `nx` from 21.6.3 to 21.6.4
- [Release notes](https://github.com/nrwl/nx/releases)
- [Commits](https://github.com/nrwl/nx/commits/21.6.4/packages/nx)

---
updated-dependencies:
- dependency-name: nx
  dependency-version: 21.6.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm-dependencies
- dependency-name: nx
  dependency-version: 21.6.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm-dependencies
- dependency-name: nx
  dependency-version: 21.6.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm-dependencies
- dependency-name: nx
  dependency-version: 21.6.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm-dependencies
...

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

Author: dependabot[bot]

tests/npm/package-lock.json

@@ -8,7 +8,7 @@
   "dependencies": {
     "gatsby": "^5.15.0",
     "jest": "^30.2.0",
-    "nx": "^21.6.3",
+    "nx": "^21.6.4",
     "prettier": "^3.6.2",
     "storybook": "^9.1.10"
   }

tests/npm/package.json

@@ -8,7 +8,7 @@
   "dependencies": {
     "gatsby": "^5.15.0",
     "jest": "^30.2.0",
-    "nx": "^21.6.3",
+    "nx": "^21.6.4",
     "prettier": "^3.6.2",
     "storybook": "^9.1.10"
   },