feat: Implement getExecutionSteps query

packages/backend/src/graphql/queries/get-execution-steps.ts

@@ -0,0 +1,27 @@
+import Context from '../../types/express/context';
+import paginate from '../../helpers/pagination';
+
+type Params = {
+  executionId: string;
+  limit: number;
+  offset: number;
+};
+
+const getExecutionSteps = async (
+  _parent: unknown,
+  params: Params,
+  context: Context
+) => {
+  const execution = await context.currentUser
+    .$relatedQuery('executions')
+    .findById(params.executionId)
+    .throwIfNotFound();
+
+  const executionSteps = execution
+    .$relatedQuery('executionSteps')
+    .orderBy('created_at', 'desc');
+
+  return paginate(executionSteps, params.limit, params.offset);
+};
+
+export default getExecutionSteps;