chore: fix CI

.github/workflows/mdl_linter.yml

@@ -10,20 +10,19 @@ on:
     paths:
       - "**/*.md"
 
-  workflow_dispatch:
-
 jobs:
   lint:
     name: mdl runner
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Use Node.js
-      uses: actions/setup-node@v1
+    - name: Checkout
+      uses: actions/checkout@v3
+    - name: Install PNPM
+      uses: pnpm/action-setup@v2
       with:
-        node-version: 12.x
+        version: latest
+    - name: Install dependencies
+      run: pnpm install --lockfile=false
     - name: Run Markdownlint
-      run: |
-        npm i -g markdownlint-cli
-        markdownlint . -c md_config.json
+      run: pnpm md:lint

.gitignore

@@ -1 +1,2 @@
 .vscode
+node_modules

package.json

@@ -0,0 +1,9 @@
+{
+	"scripts": {
+		"md:lint": "markdownlint . -c md_config.json"
+	},
+	"dependencies": {
+		"markdownlint": "^0.29.0",
+		"markdownlint-cli": "^0.35.0"
+	}
+}