Add workflow runner (#6458)

- add workflow runner module
- add an endpoint to trigger a workflow via api
- improve error handling for serverless functions

## Testing
- create 2 serverless functions
- create a workflow
- create this workflow Version
```
{
  "type": "MANUAL",
  "input": {"b": "bb"},
  "nextAction": {
    "name": "step_1",
    "displayName": "Code",
    "type": "CODE",
    "valid": true,
    "settings": {
      "serverlessFunctionId": "Serverless function 1 Id",
      "errorHandlingOptions": {
        "retryOnFailure": {
          "value": false
        },
        "continueOnFailure": {
          "value": false
        }
      }
    },
    "nextAction": {
      "name": "step_1",
      "displayName": "Code",
      "type": "CODE",
      "valid": true,
      "settings": {
        "serverlessFunctionId": "Serverless function 1 Id",
        "errorHandlingOptions": {
          "retryOnFailure": {
            "value": false
          },
          "continueOnFailure": {
            "value": false
          }
        }
      },
      "nextAction": {
        "name": "step_1",
        "displayName": "Code",
        "type": "CODE",
        "valid": true,
        "settings": {
          "serverlessFunctionId": "Serverless function 2 Id",
          "errorHandlingOptions": {
            "retryOnFailure": {
              "value": false
            },
            "continueOnFailure": {
              "value": false
            }
          }
        }
      }
    }
  }
}

`
``
- call 
```
mutation Trigger {
  triggerWorkflow(workflowVersionId: "WORKFLOW_VERSION_ID") {
    result
  }
}
```
- try when errors are injected in serverless function

packages/twenty-server/src/modules/workflow/workflow.module.ts

@@ -0,0 +1,8 @@
+import { Module } from '@nestjs/common';
+
+import { WorkflowRunnerModule } from 'src/modules/workflow/workflow-runner/workflow-runner.module';
+
+@Module({
+  imports: [WorkflowRunnerModule],
+})
+export class WorkflowModule {}