Json response for search reveals Solr credentials

### Impact
An error in Ibexa's Solr search engine results in potential exposure of Solr credentials. This is a critical vulnerability and all supported versions of the engine are affected. Those not using the Solr search engine are not affected.

### Patches
The issue is fixed in all supported versions of ibexa/solr, see "Patched versions".
An advisory is also published for ezsystems/ezplatform-solr-search-engine, please see that repository.
Commit: https://github.com/ibexa/solr/commit/2f8b711874bee1ebe31fb8a6362e0c8e52c53012

### Workarounds
None.

### References
https://developers.ibexa.co/security-advisories/ibexa-sa-2023-005-vulnerabilities-in-solr-search-and-file-downloads