tools: limit checkout for lint-cpp

Skip the V8 and OpenSSL vendored trees when checking out sources for
lint-cpp. Keep other paths included so new directories are checked out
by default.

Assisted-by: Codex
Signed-off-by: inoway46 <inoueyuya416@gmail.com>
PR-URL: #66474
Reviewed-By: Filip Skokan <panva.ip@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Author: inoway46

.github/workflows/linters.yml

@@ -41,6 +41,12 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
         with:
           persist-credentials: false
+          # Skip large vendored trees that lint-cpp does not use.
+          sparse-checkout: |
+            /*
+            !/deps/openssl/
+            !/deps/v8/
+          sparse-checkout-cone-mode: false
       - name: Set up Python ${{ env.PYTHON_VERSION }}
         uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97  # v7.0.0
         with: