Maintenance Y2025H2

[Ivansete-status]

Description

Gather all maintenance tasks during first quarter of 2025.
All maintenance PRs should be linked to this so that we don't have orphan PRs.

PRs

• fix: static sharding setup #3494
• fix: lightpush metrics #3486
• fix: deprecate --dns-discovery #3485
• fix: tests using fetchMerkleRoot #3513
• chore: enhance feedback when incorrect num-shards-in-network is set #3514
• chore: avoid too large log lines in rest lightpush #3516
• chore: Adapt heaptrack support builds and description to latest nim 2.2.4 compiler #3522
• chore: guarding against double starting and stopping of nodes #3525
• fix: streamline contract api #3528
• fix: apply modulus in sharding #3530
• fix: use counter instead of gauge for metrics that only increase over time #3355
• chore: new metric in postgres_driver to estimate payload stats #3544
• fix remove libpcre lib dependency used for docker builds  #3552
• chore: Lightpush minor refactor #3538
• fix: Do not allow invalid pubsub topic subscription via relay REST api #3559
• fix: refact rln-relay and post sync test #3434
• chore: Update rest api docs #3562
• fixL Add connection closeWithEof for req/resp protocols #3583
• Fix log libwaku #3608
• chore: an attempt to move node API's to separate files #3614
• Move log level from debug to info #3622