Feature/keystone beholder integration

[patrickhuie19]

Initial integration of Keystone w/ beholder

Dependencies

https://github.com/smartcontractkit/chainlink-common/pull/828/commits

[github-actions[bot]]

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.

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

[github-actions[bot]]

## AER Report: [CI Core](https://github.com/smartcontractkit/chainlink/actions/runs/11375479049) ran successfully :white_check_mark: [aer_workflow](https://github.com/smartcontractkit/chainlink/actions/runs/11375646595/job/31646675843) , [commit](https://github.com/smartcontractkit/chainlink/commit/c26973fbde751fcf84694352fd892a44f496f2a3) ## AER Report: [Operator UI CI](https://github.com/smartcontractkit/chainlink/actions/runs/11375479036) ran successfully :white_check_mark: [aer_workflow](https://github.com/smartcontractkit/chainlink/actions/runs/11375494276/job/31646246735) , [commit](https://github.com/smartcontractkit/chainlink/commit/c26973fbde751fcf84694352fd892a44f496f2a3)

[cl-sonarqube-production[bot]]

Quality Gate passed

Issues
5 New issues
1 Fixed issue
0 Accepted issues

Measures
0 Security Hotspots
74.3% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube