Update ci.yml

Author: koromerzhin

.github/workflows/ci.yml

@@ -5,10 +5,10 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+        uses: actions/checkout@v4
         with:
           submodules: recursive
       - name: Install npm dependencies
         run: npm install
       - name: linter readme.md
-        run: npm run lint:markdown
+        run: npm run lint:markdown