chore(performance): Fix serviceowner orgno (#1965)

<!--- Provide a general summary of your changes in the Title above -->

Fix orgno used in performnance tests

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## Related Issue(s)

- # n/a

## Verification

- [ ] **Your** code builds clean without any errors or warnings
- [ ] Manual testing done (required)
- [ ] Relevant automated test added (if you find this hard, leave it and
we'll help out)

## Documentation

- [ ] Documentation is updated (either in `docs`-directory, Altinnpedia
or a separate linked PR in
[altinn-studio-docs.](https://github.com/Altinn/altinn-studio-docs), if
applicable)

tests/k6/tests/performancetest_data/serviceowners-yt01.csv

@@ -1,2 +1,2 @@
 org,orgno,scopes,resource
-digdir,991825827,digdir:dialogporten.serviceprovider digdir:dialogporten.serviceprovider.search,ttd-dialogporten-performance-test-01
+digdir,713431400,digdir:dialogporten.serviceprovider digdir:dialogporten.serviceprovider.search,ttd-dialogporten-performance-test-01