Bump @hey-api/openapi-ts from 0.64.12 to 0.64.13 in the hey-api group

Bumps the hey-api group with 1 update: [@hey-api/openapi-ts](https://github.com/hey-api/openapi-ts).


Updates `@hey-api/openapi-ts` from 0.64.12 to 0.64.13
- [Release notes](https://github.com/hey-api/openapi-ts/releases)
- [Changelog](https://github.com/hey-api/openapi-ts/blob/main/docs/CHANGELOG.md)
- [Commits](https://github.com/hey-api/openapi-ts/compare/@hey-api/[email protected]...@hey-api/[email protected])

---
updated-dependencies:
- dependency-name: "@hey-api/openapi-ts"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: hey-api
...

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

Author: dependabot[bot]

frontend/api-client-v2/package.json

@@ -11,7 +11,7 @@
     "build": "openapi-ts --useOptions --input ../../mulighetsrommet-api/src/main/resources/web/openapi.yaml --output ./build"
   },
   "devDependencies": {
-    "@hey-api/openapi-ts": "0.64.12",
+    "@hey-api/openapi-ts": "0.64.13",
     "typescript": "5.8.2"
   },
   "dependencies": {

frontend/arrangor-flate/package.json

@@ -56,7 +56,7 @@
   "devDependencies": {
     "@playwright/test": "1.51.1",
     "@react-router/dev": "7.3.0",
-    "@hey-api/openapi-ts": "0.64.12",
+    "@hey-api/openapi-ts": "0.64.13",
     "@react-router/fs-routes": "7.3.0",
     "@tailwindcss/typography": "0.5.16",
     "@types/compression": "1.7.5",