ci: add Checkout for docs

Signed-off-by: Bibazavr <lebedevki@lad24.ru>

.github/workflows/docs.yml

@@ -11,6 +11,8 @@ jobs:
       matrix:
         node: [ 20.11.x ]
     steps:
+      - name: Checkout
+        uses: actions/checkout@v4.1.1
       - name: Install dependencies # install project deps with --frozen-lockfile to make sure we will have the same packages version ( very recommended  on running yarn install on ci)
         run: yarn --cwd docs install --frozen-lockfile
       - name: Build website