Bump checkout to v6 and use DAPPNODE_ACTIONS_PR_CREATOR token

[Copilot]

Updates auto_check workflow configuration:

• Bump actions/checkout@v4 → v6
• Set GITHUB_TOKEN env to secrets.DAPPNODE_ACTIONS_PR_CREATOR (was secrets.GITHUB_TOKEN)

Changes scoped to .github/workflows/auto_check.yaml only.

Original prompt

Repository: dappnode/DAppNodePackage-besu-generic

Create a pull request updating .github/workflows/auto_check.yml with:

1. Bump actions/checkout to v6.
2. Set env GITHUB_TOKEN to ${{ secrets.DAPPNODE_ACTIONS_PR_CREATOR }}.

Acceptance criteria:

• Only .github/workflows/auto_check.yml is changed unless strictly necessary.
• YAML remains valid.
• PR title/description summarize both changes.

This pull request was created from Copilot chat.

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[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-besu.dnp.dappnode.eth	0.1.4
Consensus	nimbus-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	besu/v25.9.0/linux-x86_64/openjdk-java-21
After Install	besu/v26.1.0/linux-x86_64/openjdk-java-25

Consensus Client Versions

Stage	Version
Before Install	Nimbus/v25.9.2-9839f1-stateofus
After Install	Nimbus/v25.9.2-9839f1-stateofus

⏱️ Timing Measurements

Environment Setup

Operation	Duration	Status
SetStakerConfig	1m1.303s	✅
PackageInstall	32.773s	✅

Test Execution

Operation	Duration	Status
WaitForBeaconchainSync	1ms	✅
WaitForExecutionSync	2ms	✅

Total Duration: 2m6s

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