build(deps): bump redis from 5.11.0 to 5.12.1 in /backend

[dependabot]

Bumps redis from 5.11.0 to 5.12.1.

Release notes

Sourced from redis's releases.

redis@5.12.0

✨ What's Changed

🚀 Features

• feat: expose sendCommand on multi for all clients by @​nkaradzhov in redis/node-redis#3181
• feat(sentinel): add sSubscribe/sUnsubscribe methods to Sentinel client by @​nkaradzhov in redis/node-redis#3178

🐛 Fixes

• fix(search): correct INDEXMISSING placement by @​nkaradzhov in redis/node-redis#3179
• Pool fixes by @​nkaradzhov in redis/node-redis#3182
• fix(search): use @redis/client dist imports in CREATE command by @​PavelPashov in redis/node-redis#3187
• fix(sentinel): preserve root seeds for outage recovery by @​nkaradzhov in redis/node-redis#3188
• fix: fallthrough bug in transformDoubleReply by @​rhymincymon in redis/node-redis#3213

🔭 Observability (OTEL + Diagnostics)

Node Redis now ships with first-class observability via OpenTelemetry metrics and Node.js diagnostics_channel. Initialize OpenTelemetry before creating clients (OpenTelemetry.init({ metrics: { enabled: true } })) and you can plug Redis client telemetry into your existing OTel SDK/exporter pipeline.

This enables visibility into command latency, connection lifecycle, resiliency/errors, Pub/Sub traffic, streaming behavior, and client-side caching activity. On top of metrics, diagnostics channels provide a more abstract, higher-level way to track runtime behavior through low-overhead event streams (commands, batches, connection events, maintenance notifications, pub/sub, cache, and pool wait timing), so APM tools or custom subscribers can observe the system without changing application code.

• add OpenTelemetry metrics instrumentation by @​PavelPashov in redis/node-redis#3110
• feat: implement diagnostic channels for observability by @​logaretm in redis/node-redis#3195

🧪 Tests & CI

• test(scho oss): add smigrating checks for new connections by @​nkaradzhov in redis/node-redis#3186
• Add self-report metrics step to CI workflow by @​bobymicroby in redis/node-redis#3199
• Add run tests action by @​dariaguy in redis/node-redis#3221

📚 Docs

• improve sentinel docs by @​cutiepoka in redis/node-redis#3189
• docs: clarify DUMP/RESTORE binary payload usage by @​nkaradzhov in redis/node-redis#3201
• fix(docs): configure typedoc entry points for monorepo by @​nkaradzhov in redis/node-redis#3220

🙌 New Contributors

• @​cutiepoka made their first contribution in redis/node-redis#3189
• @​rhymincymon made their first contribution in redis/node-redis#3213
• @​logaretm made their first contribution in redis/node-redis#3195
• @​dariaguy made their first contribution in redis/node-redis#3221

Full Changelog: https://github.com/redis/node-redis/compare/redis@5.11.0...redis@5.12.0

Commits

• 5cdad1b Release redis@5.12.1
• 6a44726 Release entraid@5.12.1
• 9f930f9 Release time-series@5.12.1
• de70920 Release search@5.12.1
• 9e7767c Release json@5.12.1
• 02cfd5a Release bloom@5.12.1
• 838c28d Release client@5.12.1
• 789d6d5 fix: decouple OTel public types from @​opentelemetry/api (#3228)
• 07aff33 Release redis@5.12.0
• b91d88f Release entraid@5.12.0
• Additional commits viewable in compare view

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