Graphql/workflow execution query

[JeffreyThiessen]

What does this PR do and why?

Describe in detail what your merge request does and why.

Adds the workflow execution graphql query, with associated type and resolvers

Screenshots or screen recordings

Screenshots are required for UI changes, and strongly recommended for all other pull requests.

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

1. Via the gui, submit a couple of pipelines so you have data to fetch.
2. Query for workflow executions.

query getWEs {
  workflowExecutions {
    nodes {
      id
    }
  }
}

3. Query for a specific workflow execution.

query getOneWE {
  node(
    id: "gid://irida/WorkflowExecution/2eba5816-f486-4cec-b49a-aa1e933cdc91"
  ) {
  	... on WorkflowExecution {
      id
      blobRunDirectory
      cleaned
      httpErrorCode
      metadata
      runId
      state
      project{
        id
        name
      }
      group{
        id
        name
      }
      submitter {
        id
        email
      }
      submitterId
      tags
      workflowEngine
      workflowEngineParameters
      workflowEngineVersion
      workflowParams
      workflowType
      workflowTypeVersion
      workflowUrl
      samples {
        edges {
          node {
            id
          }
        }
      }
    }
  }
}

PR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the PR acceptance checklist for this PR.

[ksierks]

Works as described.

[ChrisHuynh333]

Looks good!

[github-actions]

Code Metrics Report

Coverage	Test Execution Time
93.3%	9m19s

Code coverage of files in pull request scope (94.4%)

Files	Coverage
app/graphql/irida_schema.rb	87.2%
app/graphql/resolvers/samples_workflow_executions_resolver.rb	100.0%
app/graphql/resolvers/workflow_execution_metadata_resolver.rb	88.8%
app/graphql/resolvers/workflow_executions_resolver.rb	100.0%
app/graphql/types/query_type.rb	100.0%
app/graphql/types/samples_workflow_execution_type.rb	100.0%
app/graphql/types/workflow_execution_type.rb	100.0%

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Reported by octocov