Update redis.json

[abid-redis]

Summary

• Updated Redisearch metadata to reflect native integration in Redis 8.0+.
• Replaced Redisearch references with the main Redis repository.

OSS, Licensing & Docs

• Marked vector search support as fully open source.
• Updated licensing details to reflect Redis’ tri-license model (RSALv2 / SSPLv1 / AGPLv3).
• Pointed source and license URLs to official Redis documentation.

Feature Updates

• Clarified hybrid search support via FT.HYBRID (Redis OSS 8.4+).
• Added SVS-VAMANA to supported vector index types (Redis 8.2+).

Metrics

• Refreshed GitHub stars and Docker pull counts to reference Redis core, not RedisSearch, reflecting RedisSearch’s native integration into Redis 8.0+.

[fm1320]

@abid-redis can you make sure the checks pass please