Use consistent naming for initialisms in modserver module
requested to merge gitlab-community/cluster-integration/gitlab-agent:fix-initialisms-in-modserver-module into master
Improve naming for initialisms (#468 (closed)) in modserver module. This MR does not include all changes but only the following:
- Rename rpcApi to rpcAPI in modserver module
- Regenerate mocks for AgentRPCAPI
- Rename AgentRpcApi to AgentRPCAPI in modserver module
- Rename AgentRpcApiFactory to AgentRpcApiFactory in modserver module
- Rename agentRpcApiKeyType to agentRPCAPIKeyType in modserver module
- Rename agentRpcApiKey to agentRPCAPIKey in modserver module