Refactor secondary transmission

[george-dorin]

Refactor dual transmitter and dual contract transmitter
Extra validation on dual transmission config

[github-actions]

I see you updated files related to core. Please run pnpm changeset in the root directory to add a changeset as well as in the text include at least one of the following tags:

• #added For any new functionality added.
• #breaking_change For any functionality that requires manual action for the node to boot.
• #bugfix For bug fixes.
• #changed For any change to the existing functionality.
• #db_update For any feature that introduces updates to database schema.
• #deprecation_notice For any upcoming deprecation functionality.
• #internal For changesets that need to be excluded from the final changelog.
• #nops For any feature that is NOP facing and needs to be in the official Release Notes for the release.
• #removed For any functionality/config that is removed.
• #updated For any functionality that is updated.
• #wip For any change that is not ready yet and external communication about it should be held off till it is feature complete.

🎖️ No JIRA issue number found in: PR title, commit message, or branch name. Please include the issue ID in one of these.

[github-actions]

AER Report: CI Core ran successfully ✅

aer_workflow , commit

AER Report: Operator UI CI ran successfully ✅

aer_workflow , commit

[github-actions]

Flaky Test Detector for github.com/smartcontractkit/chainlink project has failed ❌

Ran new or updated tests between develop and a916513 (update-secondary-transmission-method-signature).

View Flaky Detector Details | Compare Changes

Flaky Tests

Ran 69 unique tests. Below are the tests identified as flaky, with a pass ratio lower than the 99% threshold:

TestPackage                                                       TestName                             PassRatio  RunCount   Skipped
---------                                                         ---------                            ---------  ---------  ---------
github.com/smartcontractkit/chainlink/v2/core/services/relay/evm  Test_OCRContractTracker_IsLaterThan  50%        3          false

[cl-sonarqube-production]

Quality Gate failed

Failed conditions
14.2% Duplication on New Code (required ≤ 10%)

See analysis details on SonarQube