Add Infoblox feed to defaults.json

[schatzistogias]

Request for addition of the Infoblox MISP feed to the defaults.json

[adulau]

Thank you very much!

[StefanKelm]

Could not fetch manifest for feed: Remote server returns HTTP error code 404 for URL https://github.com/infobloxopen/threat-intelligence/tree/main/indicators/misp/manifest.json

[schatzistogias]

Could not fetch manifest for feed: Remote server returns HTTP error code 404 for URL https://github.com/infobloxopen/threat-intelligence/tree/main/indicators/misp/manifest.json

I am working on an update to add the manifest.json thanks !