add missing restore-keys

Author: BYK

.github/workflows/lint-404s.yml

@@ -37,6 +37,8 @@ jobs:
             ${{ github.workspace }}/.next/cache
             ${{ github.workspace }}/.eslintcache
           key: node-${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            node-${{ runner.os }}-
 
       - run: yarn install --frozen-lockfile
         if: steps.cache.outputs.cache-hit != 'true'