make task not optional in ActionContext

Signed-off-by: Fabio Vincenzi <fabio.vincenzi2001@gmail.com>

.changeset/famous-dryers-protect.md

@@ -1,5 +1,6 @@
 ---
 '@backstage/plugin-scaffolder-backend': minor
+'@backstage/plugin-scaffolder-node': patch
 ---
 
-New `taskId` Context Variable in Scaffolder Templates
+Added the ability to use `${{ context.task.id }}` in nunjucks templating, as well as `ctx.task.id` in actions to get the current task ID.

.changeset/wise-students-tell.md

@@ -1,5 +0,0 @@
----
-'@backstage/plugin-scaffolder-node': patch
----
-
-Add task id to ActionContext

plugins/scaffolder-node/report.api.md

@@ -41,7 +41,7 @@ export type ActionContext<
   ): void;
   createTemporaryDirectory(): Promise<string>;
   getInitiatorCredentials(): Promise<BackstageCredentials>;
-  task?: {
+  task: {
     id: string;
   };
   templateInfo?: TemplateInfo;