Use npm to manage Prettier tool dependency

.github/workflows/check-prettier-formatting-task.yml

@@ -1,6 +1,10 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-prettier-formatting-task.md
 name: Check Prettier Formatting
 
+env:
+  # See: https://github.com/actions/setup-node/#readme
+  NODE_VERSION: 20.x
+
 # See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   create:
@@ -238,6 +242,11 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+
       - name: Install Task
         uses: arduino/setup-task@v2
         with:

Taskfile.yml

@@ -200,6 +200,8 @@ tasks:
   # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-prettier-formatting-task/Taskfile.yml
   general:format-prettier:
     desc: Format all supported files with Prettier
+    deps:
+      - task: npm:install-deps
     cmds:
       - npx prettier --write .
 

package.json

@@ -1,7 +1,8 @@
 {
   "devDependencies": {
     "markdown-link-check": "3.11.2",
-    "markdownlint-cli": "0.37.0"
+    "markdownlint-cli": "0.37.0",
+    "prettier": "3.3.3"
   },
   "type": "module"
 }