chore: support the has_ai_task column in template version and workspace insert queries (#18385)

https://github.com/coder/coder/pull/18359 added the `has_ai_task`
columns on the `workspace_builds` and `template_versions` tables.

coderd/templateversions.go

@@ -1730,6 +1730,9 @@ func (api *API) postTemplateVersionsByOrganization(rw http.ResponseWriter, r *ht
 				String: req.ExampleID,
 				Valid:  req.ExampleID != "",
 			},
+			// appease the exhaustruct linter
+			// TODO: set this to whether the template version defines a `coder_ai_task` tf resource
+			HasAITask: false,
 		})
 		if err != nil {
 			if database.IsUniqueViolation(err, database.UniqueTemplateVersionsTemplateIDNameKey) {