tools: limit checkout for lint-addon-docs

Exclude unused vendored dependencies from the lint-addon-docs checkout
to reduce checkout time.

Assisted-by: Codex
Signed-off-by: inoway46 <inoueyuya416@gmail.com>
PR-URL: #66505
Refs: #64972
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>

Author: inoway46

.github/workflows/linters.yml

@@ -28,6 +28,10 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
         with:
           persist-credentials: false
+          sparse-checkout: |
+            /*
+            !/deps/
+          sparse-checkout-cone-mode: false
       - name: Use Node.js ${{ env.NODE_VERSION }}
         uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020  # v7.0.0
         with: