feat: Update workflows subgraph to graph-proxy@v0.1.13

[dls-graph-schema-federator]

• Source repository: DiamondLightSource/workflows
• Author: @dls-release-please[bot]

[github-actions]

@@ -243,6 +243,12 @@ type Mutation
   submitWorkflowTemplate(name: String!, visit: VisitInput!, parameters: JSON!): Workflow! @join__field(graph: WORKFLOWS)
 }
 
+"""Represents Relay Node types"""
+union NodeValue
+  @join__type(graph: WORKFLOWS)
+  @join__unionMember(graph: WORKFLOWS, member: "Workflow")
+ = Workflow
+
 """Information about pagination in a connection"""
 type PageInfo
   @join__type(graph: SAMPLES)
@@ -322,6 +328,7 @@ type Query
 
   """Get a list of samples associated with a given instrument session"""
   samples(proposalNumber: Int!, instrumentSessionNumber: Int!, first: Int!, filter: SampleFilterInput! = {}, before: String = null, after: String = null, last: Int = null, orderBy: SampleOrder! = {}): SampleConnection! @join__field(graph: SAMPLES)
+  node(id: ID!): NodeValue @join__field(graph: WORKFLOWS)
 
   """Get a single [`Workflow`] by proposal, visit, and name"""
   workflow(visit: VisitInput!, name: String!): Workflow! @join__field(graph: WORKFLOWS)
@@ -629,6 +636,9 @@ scalar Void
 type Workflow
   @join__type(graph: WORKFLOWS)
 {
+  """The unique ID derived from the visit and name"""
+  id: ID!
+
   """The name given to the workflow, unique within a given visit"""
   name: String!