chore(deps): update namespacelabs/nscloud-checkout-action action to v8

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/solidity.yml

@@ -84,7 +84,7 @@ jobs:
           PAT_TOKEN: op://platform/github-commit-pat/credential
 
       - name: Checkout
-        uses: namespacelabs/nscloud-checkout-action@v7
+        uses: namespacelabs/nscloud-checkout-action@v8
         with:
           token: ${{ env.PAT_TOKEN }}