docs(Github Trigger Node): Add notice and more meaningful error around permissions (#5551)

packages/nodes-base/nodes/Github/GithubTrigger.node.ts

@@ -56,6 +56,13 @@ export class GithubTrigger implements INodeType {
 			},
 		],
 		properties: [
+			{
+				displayName:
+					'Only members with owner privileges for an organization or admin privileges for a repository can set up the webhooks this node requires.',
+				name: 'notice',
+				type: 'notice',
+				default: '',
+			},
 			{
 				displayName: 'Authentication',
 				name: 'authentication',
@@ -531,6 +538,13 @@ export class GithubTrigger implements INodeType {
 						);
 					}
 
+					if (error.cause.httpCode === '404') {
+						throw new NodeOperationError(
+							this.getNode(),
+							'Check that the repository exists and that you have permission to create the webhooks this node requires',
+						);
+					}
+
 					throw error;
 				}