Bump nav-frontend-skjema from 3.2.1 to 4.0.6

Bumps [nav-frontend-skjema](https://github.com/navikt/nav-frontend-moduler) from 3.2.1 to 4.0.6.
- [Release notes](https://github.com/navikt/nav-frontend-moduler/releases)
- [Changelog](https://github.com/navikt/aksel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/navikt/nav-frontend-moduler/commits)

---
updated-dependencies:
- dependency-name: nav-frontend-skjema
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -87,7 +87,7 @@
         "nav-frontend-paneler-style": "^1.1.1",
         "nav-frontend-popover": "1.1.1",
         "nav-frontend-popover-style": "1.1.1",
-        "nav-frontend-skjema": "^3.2.1",
+        "nav-frontend-skjema": "^4.0.6",
         "nav-frontend-skjema-style": "^2.2.1",
         "nav-frontend-snakkeboble": "^2.1.1",
         "nav-frontend-snakkeboble-style": "^1.1.1",