Apply suggestions from code review

Co-authored-by: Johan Haals <johan@haals.se>
Signed-off-by: Arthur Gavlyukovskiy <agavlyukovskiy@gmail.com>

.changeset/fuzzy-wombats-search.md

@@ -2,4 +2,4 @@
 '@backstage/plugin-scaffolder-backend': minor
 ---
 
-Added `fetch:plain:file` action to fetch a single file
+Added `fetch:plain:file` action to fetch a single file, this action is also added to the list of built-in actions.

plugins/scaffolder-backend/src/scaffolder/actions/builtin/fetch/helpers.ts

@@ -53,9 +53,7 @@ export async function fetchContents(options: {
 
 /**
  * A helper function that reads the content of a single file from the given URL.
- * Can be used in your own actions, and also used behind fetch:plain:file
- *
- * @public
+ * Can be used in your own actions, and also used behind `fetch:plain:file`
  */
 export async function fetchFile(options: {
   reader: UrlReader;