v0.54.3

## What's Changed
* feat(db): expose SQLAlchemy pool_recycle and pool_timeout as env vars by @ajuijas in https://github.com/keephq/keep/pull/6637
* fix(db): refresh user after role update to avoid DetachedInstanceError by @mvanhorn in https://github.com/keephq/keep/pull/6638
* ci: pin ruff version to make lint deterministic (#6648) by @shahargl in https://github.com/keephq/keep/pull/6651
* feat: expose REDIS_DB environment variable for Redis database selection (#6643) by @aries1980 in https://github.com/keephq/keep/pull/6644
* fix: avoid double-encoding alert URLs by @aditya-786 in https://github.com/keephq/keep/pull/6653
* ci: read the PR description from env instead of interpolating it into the shell by @kobihikri in https://github.com/keephq/keep/pull/6654
* fix: widen alert table column resize hit target by @ausias-armesto in https://github.com/keephq/keep/pull/6661
* fix(victorialogs): return empty headers for NoAuth instead of None by @artemrootman in https://github.com/keephq/keep/pull/6668
* feat(grafana): query any datasource via /api/ds/query by @artemrootman in https://github.com/keephq/keep/pull/6673
* fix(litellm): fail loudly on null content and accept fenced JSON by @artemrootman in https://github.com/keephq/keep/pull/6671
* feat(litellm): return token usage and cost with the response by @artemrootman in https://github.com/keephq/keep/pull/6678
* fix: correctly parse PUSHER_USE_SSL environment variable (#6582) by @ChickenisLegit in https://github.com/keephq/keep/pull/6680
* fix(gemini): default to a model Google still serves by @chiruu12 in https://github.com/keephq/keep/pull/6697
* fix(presets): don't rewrite search text when translating CEL contains by @dngr2 in https://github.com/keephq/keep/pull/6698
* fix(providers): don't crash on an empty choices list by @chiruu12 in https://github.com/keephq/keep/pull/6705
* fix(providers): default openai to a model that supports json_schema by @chiruu12 in https://github.com/keephq/keep/pull/6713
* fix(providers): default grok to a served model by @chiruu12 in https://github.com/keephq/keep/pull/6711
* fix(providers): don't crash on empty choices in grok by @chiruu12 in https://github.com/keephq/keep/pull/6710
* fix: prevent duplicate workflow runs on rapid manual run clicks by @kate1128 in https://github.com/keephq/keep/pull/6691
* fix(keep-provider): don't mutate the shared fingerprint_fields list by @Prabal864 in https://github.com/keephq/keep/pull/6720
* fix(servicenow): forward sysparm_offset in pagination and fix undefined error in _notify_update by @Veydop in https://github.com/keephq/keep/pull/6725
* fix(topologies): skip deleted incidents when looking up application incidents by @Georgefifth in https://github.com/keephq/keep/pull/6733
* fix(tests): wait for the workflow detail header before asserting on it by @chiruu12 in https://github.com/keephq/keep/pull/6730
* fix: Enable Zabbix ID deduplication by @mvanhorn in https://github.com/keephq/keep/pull/6745
* fix: skip alias rendering when a step's if condition is false by @ausias-armesto in https://github.com/keephq/keep/pull/6744
* fix(functions): read an offsetless timestamp as UTC by @chiruu12 in https://github.com/keephq/keep/pull/6777
* fix: refactored apply custom deduplication rules so that deduplicatio… by @Veydop in https://github.com/keephq/keep/pull/6794
* fix: ingest array payloads posted to provider endpoints by @Veydop in https://github.com/keephq/keep/pull/6798
* chore: Bump version from 0.54.2 to 0.54.3 by @shahargl in https://github.com/keephq/keep/pull/6800

## New Contributors
* @ajuijas made their first contribution in https://github.com/keephq/keep/pull/6637
* @mvanhorn made their first contribution in https://github.com/keephq/keep/pull/6638
* @aries1980 made their first contribution in https://github.com/keephq/keep/pull/6644
* @kobihikri made their first contribution in https://github.com/keephq/keep/pull/6654
* @artemrootman made their first contribution in https://github.com/keephq/keep/pull/6668
* @ChickenisLegit made their first contribution in https://github.com/keephq/keep/pull/6680
* @chiruu12 made their first contribution in https://github.com/keephq/keep/pull/6697
* @dngr2 made their first contribution in https://github.com/keephq/keep/pull/6698
* @kate1128 made their first contribution in https://github.com/keephq/keep/pull/6691
* @Prabal864 made their first contribution in https://github.com/keephq/keep/pull/6720
* @Veydop made their first contribution in https://github.com/keephq/keep/pull/6725
* @Georgefifth made their first contribution in https://github.com/keephq/keep/pull/6733

**Full Changelog**: https://github.com/keephq/keep/compare/v0.54.2...v0.54.3