Refactor CI workflows for improved release and sync testing

[pablomendezroyo]

This update removes outdated CI workflows and introduces new workflows for release and sync testing, enhancing the overall efficiency and organization of the CI process.

[github-actions]

✅ SYNC TEST REPORT - PASSED

This CI runs on a real DAppNode using the same RPC calls a user would make to configure a staker setup: execution client, consensus client, web3signer, MEV-boost, and relays. The self-hosted runner is pre-loaded with synced (or near-synced) execution client volumes, enabling fast sync and attestation tests with any client combination. Consensus clients use checkpoint sync, so no pre-synced volume is required.

Sync Test: Verifies that both execution and consensus clients reach a synced state. This test ensures the staker configuration is valid and clients can synchronize with the network.

📦 Clients Used

Component	DNP Name	DNP Version
Execution	hoodi-nethermind.dnp.dappnode.eth	0.1.12
Consensus	teku-hoodi.dnp.dappnode.eth	0.1.3
Web3Signer	web3signer-hoodi.dnp.dappnode.eth	0.1.3
MEV Boost	mev-boost-hoodi.dnp.dappnode.eth	0.1.1
Network	hoodi

🔖 Version Tracking

Execution Client Versions

Stage	Version
Before Install	Nethermind/v1.36.0+31cb81b7/linux-x64/dotnet10.0.1
After Install	Nethermind/v1.36.0+31cb81b7/linux-x64/dotnet10.0.1

Consensus Client Versions

Stage	Version
Before Install	teku/v25.9.3/linux-x86_64/-eclipseadoptium-openjdk64bitservervm-java-21
After Install	teku/v25.9.3/linux-x86_64/-eclipseadoptium-openjdk64bitservervm-java-21

⏱️ Timing Measurements

Environment Setup

Operation	Duration	Status
SetStakerConfig	59.18s	✅
PackageInstall	21.333s	✅

Test Execution

Operation	Duration	Status
WaitForBeaconchainSync	1m42.132s	✅
WaitForExecutionSync	2ms	✅

Total Duration: 3m25s

🔴 Container Error Logs

⚠️ Showing up to 3 error lines per container. See CI logs for complete details.

DAppNodePackage-brain.web3signer-hoodi.dnp.dappnode.eth:

2026-02-05T21:39:49.821130094Z �[31m�[0m[ERROR]�[31m�[0m [CRON - reloadValidators]: Error posting fee recipient 0x0000000000000000000000000000000000000001 for pubkey 0xb1a6afab47a6402f8af1ed122e3838cc2989f29e96ee6f26409d65b1cf35a8d81cd0c37bc302f925a9956b3e51e4c204 to validator API: ValidatorApiError: Error setting fee recipient for pubkey 0xb1a6afab47a6402f8af1ed122e3838cc2989f29e96ee6f26409d65b1cf35a8d81cd0c37bc302f925a9956b3e51e4c204 to 0x0000000000000000000000000000000000000001 on validator. ...
2026-02-05T21:40:49.662769874Z �[31m�[0m[ERROR]�[31m�[0m [CRON - reloadValidators]: Error posting fee recipient 0x0000000000000000000000000000000000000001 for pubkey 0xb1a6afab47a6402f8af1ed122e3838cc2989f29e96ee6f26409d65b1cf35a8d81cd0c37bc302f925a9956b3e51e4c204 to validator API: ValidatorApiError: Error setting fee recipient for pubkey 0xb1a6afab47a6402f8af1ed122e3838cc2989f29e96ee6f26409d65b1cf35a8d81cd0c37bc302f925a9956b3e51e4c204 to 0x0000000000000000000000000000000000000001 on validator. ...

DAppNodePackage-validator.teku-hoodi.dnp.dappnode.eth:

2026-02-05T21:40:01.832180517Z 2026-02-05 21:40:01.832 ERROR - Unable to check validators doppelgangers for keys b1a6afa. Unable to get validators liveness: tech.pegasys.teku.api.exceptions.RemoteServiceNotAvailableException: Server error from Beacon Node API (url = http://beacon-chain.teku-hoodi.dappnode:3500/eth/v1/validator/liveness/73213, status = 503, message = Beacon node is currently syncing and not serving requests)
2026-02-05T21:40:01.834579291Z 2026-02-05 21:40:01.834 ERROR - Unable to check validators doppelgangers for keys b1a6afa. Unable to get validators liveness: tech.pegasys.teku.api.exceptions.RemoteServiceNotAvailableException: Server error from Beacon Node API (url = http://beacon-chain.teku-hoodi.dappnode:3500/eth/v1/validator/liveness/73214, status = 503, message = Beacon node is currently syncing and not serving requests)
2026-02-05T21:40:13.841722225Z 2026-02-05 21:40:13.841 ERROR - Unable to check validators doppelgangers for keys b1a6afa. Unable to get validators liveness: tech.pegasys.teku.api.exceptions.RemoteServiceNotAvailableException: Server error from Beacon Node API (url = http://beacon-chain.teku-hoodi.dappnode:3500/eth/v1/validator/liveness/73214, status = 503, message = Beacon node is currently syncing and not serving requests)

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