Bump op-reth to v2.4.1, op-node to v1.19.4

[sameersubudhi]

Bumps client version:

• op-reth: v2.4.0 → v2.4.1

COMMIT pin in reth/Dockerfile verified against the dereferenced annotated tag in ethereum-optimism/optimism (a9a8dad3f1500a4cc2e4077edb480848bfdef29a).

Resolves PLAT-706.

🤖 Generated with Claude Code

Summary by CodeRabbit

• Updates
  • Updated the documented and packaged op-node version from v1.19.3 to v1.19.4.
  • Updated the documented and packaged op-reth version from v2.4.0 to v2.4.1.
  • Updated the op-reth source-build reference and container build to use the corresponding release versions.

[coderabbitai]

📝 Walkthrough

Walkthrough

The README and Docker build now reference op-node v1.19.4 and op-reth v2.4.1. The Docker build uses commit a9a8dad3f1500a4cc2e4077edb480848bfdef29a for both clients.

Changes

Client version update

Layer / File(s)	Summary
Align documented and Docker versions README.md, reth/Dockerfile	The README documents op-node v1.19.4 and op-reth v2.4.1. The source link uses the op-reth v2.4.1 tree. The Docker build checks out both clients at the updated commit.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Suggested reviewers: nazgolze

Poem

A rabbit checks each version line,
op-node and op-reth align.
The README points to updated trees,
Docker builds with matching keys.
Hop, hop—releases shine!

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	The title clearly identifies both version bumps, which are the main changes in the pull request.
Description check	✅ Passed	The description explains the version bump, commit verification, and linked issue, but it does not use the template headings or describe testing explicitly.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch plat-706-bump-op-reth-to-v241

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