Wiring context for EVM Keys API

[patrickhuie19]

Wiring context through the EVM Keys API. Makes the db sql middleware added in https://github.com/smartcontractkit/chainlink/pull/12097 more useful.

[github-actions[bot]]

I see that you haven't updated any CHANGELOG files. Would it make sense to do so?

[cl-sonarqube-production[bot]]

Quality Gate passed

Issues
12 New issues
3 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
84.9% Coverage on New Code
0.3% Duplication on New Code

See analysis details on SonarQube